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Howard 10T1931Rider2Howard Radio10Howard 10T schematic circuit diagram
Howard 1181936Gernsback7Radio382Howard 118 schematic circuit diagram
Howard 1181937Rider8Howard Radio7Howard 118 schematic circuit diagram
Howard 12B1940Rider11Howard Radio1Howard 12B schematic circuit diagram
Howard 1351931Gernsback2Radio264Howard 135 schematic circuit diagram
Howard 135 ;AC1930Rider1Howard Radio8Howard 135 ;AC schematic circuit diagram
Howard 135 ;DC1931Rider2Howard Radio2Howard 135 ;DC schematic circuit diagram
Howard 14A BC1940Rider11Howard Radio2Howard 14A BC schematic circuit diagram
Howard 14A BC1941Rider13Howard Radio22Howard 14A BC schematic circuit diagram
Howard 14A CB1941Beitman1941Radio58Howard 14A CB schematic circuit diagram
Howard 16261935Gernsback6Radio575Howard 1626 schematic circuit diagram
Howard 16261937Rider8Howard Radio14Howard 1626 schematic circuit diagram
Howard 19 Tube All Wave DeLuxe1934Gernsback5Radio415Howard 19 Tube All Wave DeLuxe schematic circuit diagram
Howard 1 Permatic Tuner1939Rider10Howard Radio16Howard 1 Permatic Tuner schematic circuit diagram
Howard 2001938Rider9Howard Radio26Howard 200 schematic circuit diagram
Howard 201931Rider2Howard Radio8 13Howard 20 schematic circuit diagram
Howard 2101939Rider10Howard Radio5 7Howard 210 schematic circuit diagram
Howard 210A1940Rider11Howard Radio7Howard 210A schematic circuit diagram
Howard 2111939Rider10Howard Radio6Howard 211 schematic circuit diagram
Howard 2141936Gernsback7Radio1584Howard 214 schematic circuit diagram
Howard 2141937Rider8Howard Radio11Howard 214 schematic circuit diagram
Howard 2181936Gernsback7Radio382Howard 218 schematic circuit diagram
Howard 2181937Rider8Howard Radio7Howard 218 schematic circuit diagram
Howard 2201939FileHoward-220_270-1939
.Rider.Radio
RadiopdfHoward 220 schematic circuit diagram
Howard 2201939Rider10Howard Radio7Howard 220 schematic circuit diagram
Howard 2211939Rider10Howard Radio7 10Howard 221 schematic circuit diagram
Howard 2251938Rider9Howard Radio9 13Howard 225 schematic circuit diagram
Howard 2251939Beitman1939Radio59Howard 225 schematic circuit diagram
Howard 24011938Rider9Howard Radio7 18Howard 2401 schematic circuit diagram
Howard 2401939Beitman1939Radio60Howard 240 schematic circuit diagram
Howard 24021938Rider9Howard Radio7 18Howard 2402 schematic circuit diagram
Howard 2501938Rider9Howard Radio9 13Howard 250 schematic circuit diagram
Howard 2501939Beitman1939Radio59Howard 250 schematic circuit diagram
Howard 251931Rider2Howard Radio8 13Howard 25 schematic circuit diagram
Howard 2561937Rider8Howard Radio2 10Howard 256 schematic circuit diagram
Howard 256 ;Series 11936Gernsback7Radio1585Howard 256 ;Series 1 schematic circuit diagram
Howard 2591937Rider8Howard Radio2 13Howard 259 schematic circuit diagram
Howard 259 ;Series 11936Gernsback7Radio1585Howard 259 ;Series 1 schematic circuit diagram
Howard 2601938Rider9Howard Radio10 13Howard 260 schematic circuit diagram
Howard 2601939Beitman1939Radio59Howard 260 schematic circuit diagram
Howard 2661936Gernsback7Radio1586Howard 266 schematic circuit diagram
Howard 2661937Rider8Howard Radio4 6Howard 266 schematic circuit diagram
Howard 2681936Gernsback7Radio1587Howard 268 schematic circuit diagram
Howard 2681937Rider8Howard Radio1 4 6Howard 268 schematic circuit diagram
Howard 2701939FileHoward-220_270-1939
.Rider.Radio
RadiopdfHoward 270 schematic circuit diagram
Howard 2701939Rider10Howard Radio7Howard 270 schematic circuit diagram
Howard 2711939Rider10Howard Radio7 10Howard 271 schematic circuit diagram
Howard 2751939Beitman1939Radio59Howard 275 schematic circuit diagram
Howard 275C1938Rider9Howard Radio11Howard 275C schematic circuit diagram
Howard 275T1938Rider9Howard Radio11Howard 275T schematic circuit diagram
Howard 2801938Rider9Howard Radio11Howard 280 schematic circuit diagram
Howard 2801939Beitman1939Radio59Howard 280 schematic circuit diagram
Howard 2851939Rider10Howard Radio12Howard 285 schematic circuit diagram
Howard 2 Peramatic Tuner1939Rider10Howard Radio16Howard 2 Peramatic Tuner schematic circuit diagram
Howard 3001940Beitman1940Radio47Howard 300 schematic circuit diagram
Howard 3001940Rider11Howard Radio3 5Howard 300 schematic circuit diagram
Howard 300A1940Rider11Howard Radio4Howard 300A schematic circuit diagram
Howard 3011940Rider11Howard Radio4Howard 301 schematic circuit diagram
Howard 301931Rider2Howard Radio8 13Howard 30 schematic circuit diagram
Howard 301APC1940Rider11Howard Radio4Howard 301APC schematic circuit diagram
Howard 302APC1940Rider11Howard Radio5Howard 302APC schematic circuit diagram
Howard 302R1940Rider11Howard Radio5 9Howard 302R schematic circuit diagram
Howard 302RA1940Rider11Howard Radio5 9Howard 302RA schematic circuit diagram
Howard 302RT1940Rider11Howard Radio5 9Howard 302RT schematic circuit diagram
Howard 302S1940Rider11Howard Radio5 8Howard 302S schematic circuit diagram
Howard 3031940Rider11Howard Radio4Howard 303 schematic circuit diagram
Howard 3041940Rider11Howard Radio4Howard 304 schematic circuit diagram
Howard 3051940Rider11Howard Radio5 11Howard 305 schematic circuit diagram
Howard 3061940Beitman1940Radio48Howard 306 schematic circuit diagram
Howard 3061940Rider11Howard Radio5 12Howard 306 schematic circuit diagram
Howard 3071940Rider11Howard Radio5 13Howard 307 schematic circuit diagram
Howard 3071941Rider12Howard Radio7Howard 307 schematic circuit diagram
Howard 30741944Rider14Howard Radio1Howard 3074 schematic circuit diagram
Howard 307TP1941Rider12Howard Radio7Howard 307TP schematic circuit diagram
Howard 307TP21944Rider14Howard Radio1Howard 307TP2 schematic circuit diagram
Howard 308APC1940Rider11Howard Radio5 14Howard 308APC schematic circuit diagram
Howard 308C1940Rider11Howard Radio5 14Howard 308C schematic circuit diagram
Howard 308TT1940Rider11Howard Radio5 14Howard 308TT schematic circuit diagram
Howard 3181936Gernsback7Radio1588Howard 318 schematic circuit diagram
Howard 3181938Rider9Howard Radio5Howard 318 schematic circuit diagram
Howard 318D1939Rider10Howard Radio14 20Howard 318D schematic circuit diagram
Howard 321931Rider2Howard Radio8 13Howard 32 schematic circuit diagram
Howard 3251936Gernsback7Radio1588Howard 325 schematic circuit diagram
Howard 3251938Rider9Howard Radio15Howard 325 schematic circuit diagram
Howard 325D1939Rider10Howard Radio14 20Howard 325D schematic circuit diagram
Howard 351931Rider2Howard Radio3Howard 35 schematic circuit diagram
Howard 351932Rider3Howard Radio3Howard 35 schematic circuit diagram
Howard 35A1932Rider3Howard Radio11Howard 35A schematic circuit diagram
Howard 3681938Rider9Howard Radio15Howard 368 schematic circuit diagram
Howard 3751939Rider10Howard Radio14 20Howard 375 schematic circuit diagram
Howard 3771939Rider10Howard Radio15Howard 377 schematic circuit diagram
Howard 3951930Rider1Howard Radio8Howard 395 schematic circuit diagram
Howard 4001938Rider9Howard Radio19 21 24Howard 400 schematic circuit diagram
Howard 4001939Beitman1939Radio61 62Howard 400 schematic circuit diagram
Howard 400A1938Rider9Howard Radio20Howard 400A schematic circuit diagram
Howard 400K1932Rider3Howard Radio8Howard 400K schematic circuit diagram
Howard 400X1939Rider10Howard Radio14Howard 400X schematic circuit diagram
Howard 401931Rider2Howard Radio3Howard 40 schematic circuit diagram
Howard 401932Rider3Howard Radio3Howard 40 schematic circuit diagram
Howard 4051935Gernsback6Radio566Howard 405 schematic circuit diagram
Howard 4091935Gernsback6Radio566Howard 409 schematic circuit diagram
Howard 4181939Rider10Howard Radio16 18 20Howard 418 schematic circuit diagram
Howard 420L1932Rider3Howard Radio5Howard 420L schematic circuit diagram
Howard 4251938Rider9Howard Radio19 21 24Howard 425 schematic circuit diagram
Howard 4251939Beitman1939Radio61 62Howard 425 schematic circuit diagram
Howard 425A1938Rider9Howard Radio20Howard 425A schematic circuit diagram
Howard 4301939Beitman1939Radio63Howard 430 schematic circuit diagram
Howard 4301941Rider12Howard Radio8Howard 430 schematic circuit diagram
Howard 4351941Rider12Howard Radio10Howard 435 schematic circuit diagram
Howard 4361941Rider12Howard Radio9 12Howard 436 schematic circuit diagram
Howard 4371941Rider12Howard Radio9 12Howard 437 schematic circuit diagram
Howard 4381938FileHoward-438-1938
.Radio
RadiojpgHoward 438 schematic circuit diagram
Howard 4381939Rider10Howard Radio22Howard 438 schematic circuit diagram
Howard 4401938FileHoward-440-1938
.Radio
RadiopdfHoward 440 schematic circuit diagram
Howard 4401939Rider10Howard Radio24Howard 440 schematic circuit diagram
Howard 4451930Rider1Howard Radio8Howard 445 schematic circuit diagram
Howard 4451944Rider14Howard Radio3Howard 445 schematic circuit diagram
Howard 4501939Rider10Howard Radio27 30Howard 450 schematic circuit diagram
Howard 450A1939Rider10Howard Radio28Howard 450A schematic circuit diagram
Howard 451931Gernsback2Radio258THoward 45 schematic circuit diagram
Howard 451935FileHoward-45-1935.ShortWaveCraftRadiojpgHoward 45 schematic circuit diagram
Howard 45AHV1931Rider2Howard Radio6Howard 45AHV schematic circuit diagram
Howard 45AHV1932Rider3Howard Radio10Howard 45AHV schematic circuit diagram
Howard 45AHVP1932Rider3Howard Radio10Howard 45AHVP schematic circuit diagram
Howard 4601941Rider13Howard Radio1Howard 460 schematic circuit diagram
Howard 4681939Rider10Howard Radio16 19Howard 468 schematic circuit diagram
Howard 4701930Rider1Howard Radio8Howard 470 schematic circuit diagram
Howard 472AC1947Beitman1947TV91Howard 472AC schematic circuit diagram
Howard 472AC1948Rider17Howard Radio4Howard 472AC schematic circuit diagram
Howard 472AC1948SM31Radio14Howard 472AC schematic circuit diagram
Howard 472AF1947Beitman1947TV91Howard 472AF schematic circuit diagram
Howard 472AF1948Rider17Howard Radio4Howard 472AF schematic circuit diagram
Howard 472AF1948SM31Radio14Howard 472AF schematic circuit diagram
Howard 472C1947Beitman1947TV91Howard 472C schematic circuit diagram
Howard 472C1948Rider17Howard Radio1Howard 472C schematic circuit diagram
Howard 472C1948SM31Radio14Howard 472C schematic circuit diagram
Howard 472F1947Beitman1947TV91Howard 472F schematic circuit diagram
Howard 472F1948Rider17Howard Radio1Howard 472F schematic circuit diagram
Howard 472F1948SM31Radio14Howard 472F schematic circuit diagram
Howard 4741947Beitman1947TV89Howard 474 schematic circuit diagram
Howard 4741948Rider17Howard Radio11Howard 474 schematic circuit diagram
Howard 4741948SM32Radio12Howard 474 schematic circuit diagram
Howard 47A1935Gernsback6Radio568Howard 47A schematic circuit diagram
Howard 47A1936Rider7Howard Radio11Howard 47A schematic circuit diagram
Howard 481A1949Beitman1949Radio51Howard 481A schematic circuit diagram
Howard 481A1949Rider19Howard Radio1Howard 481A schematic circuit diagram
Howard 481B1949Rider18Howard Radio1Howard 481B schematic circuit diagram
Howard 481B1949SM67Radio11Howard 481B schematic circuit diagram
Howard 481C1949Rider18Howard Radio1Howard 481C schematic circuit diagram
Howard 481C1949SM67Radio11Howard 481C schematic circuit diagram
Howard 481M1949Rider18Howard Radio1Howard 481M schematic circuit diagram
Howard 481M1949SM67Radio11Howard 481M schematic circuit diagram
Howard 4821948SM48Radio12Howard 482 schematic circuit diagram
Howard 4821949Rider19Howard Radio2Howard 482 schematic circuit diagram
Howard 482A1948SM48Radio12Howard 482A schematic circuit diagram
Howard 482A1949Rider19Howard Radio2Howard 482A schematic circuit diagram
Howard 4901941Rider13Howard Radio7Howard 490 schematic circuit diagram
Howard 4951930Rider1Howard Radio8Howard 495 schematic circuit diagram
Howard 4B1939Rider10Howard Radio1 7Howard 4B schematic circuit diagram
Howard 4BT1939Rider10Howard Radio2 7Howard 4BT schematic circuit diagram
Howard 501936Rider7Howard Radio11Howard 50 schematic circuit diagram
Howard 5021935Gernsback6Radio569Howard 502 schematic circuit diagram
Howard 5021935Rider6Howard Radio10Howard 502 schematic circuit diagram
Howard 508S1940Rider11Howard Radio5 16Howard 508S schematic circuit diagram
Howard 50 ;Series 11935Gernsback6Radio568Howard 50 ;Series 1 schematic circuit diagram
Howard 50SW1936Rider7Howard Radio11Howard 50SW schematic circuit diagram
Howard 50SW ;Series 21935Gernsback6Radio568Howard 50SW ;Series 2 schematic circuit diagram
Howard 5181940Rider11Howard Radio5 15Howard 518 schematic circuit diagram
Howard 518APC1940Rider11Howard Radio5 15Howard 518APC schematic circuit diagram
Howard 520APC1940Rider11Howard Radio5 16Howard 520APC schematic circuit diagram
Howard 521935Gernsback6Radio569Howard 52 schematic circuit diagram
Howard 521935Rider6Howard Radio10Howard 52 schematic circuit diagram
Howard 5251939Rider10Howard Radio16 20 32Howard 525 schematic circuit diagram
Howard 5261941Rider13Howard Radio9Howard 526 schematic circuit diagram
Howard 561937Rider8Howard Radio2Howard 56 schematic circuit diagram
Howard 5651940Rider11Howard Radio5 17Howard 565 schematic circuit diagram
Howard 5681940Rider11Howard Radio5 18Howard 568 schematic circuit diagram
Howard 568R1940Rider11Howard Radio5 19Howard 568R schematic circuit diagram
Howard 568R1941Rider12Howard Radio14Howard 568R schematic circuit diagram
Howard 568RA1940Rider11Howard Radio5 19Howard 568RA schematic circuit diagram
Howard 568RA1941Rider12Howard Radio14Howard 568RA schematic circuit diagram
Howard 56 ;Series 11936Gernsback7Radio1582Howard 56 ;Series 1 schematic circuit diagram
Howard 5751940Rider11Howard Radio5 21Howard 575 schematic circuit diagram
Howard 57A1935Gernsback6Radio570Howard 57A schematic circuit diagram
Howard 57A1936Rider7Howard Radio12Howard 57A schematic circuit diagram
Howard 57 AUS1935Gernsback6Radio570Howard 57 AUS schematic circuit diagram
Howard 57AUS1936Rider7Howard Radio13Howard 57AUS schematic circuit diagram
Howard 5801940Rider11Howard Radio5 22Howard 580 schematic circuit diagram
Howard 580APC1940Rider11Howard Radio5 22Howard 580APC schematic circuit diagram
Howard 580C1940Rider11Howard Radio5 22Howard 580C schematic circuit diagram
Howard 581935Gernsback6Radio572Howard 58 schematic circuit diagram
Howard 581936Rider7Howard Radio15Howard 58 schematic circuit diagram
Howard 5851941Rider12Howard Radio15Howard 585 schematic circuit diagram
Howard 591938Rider9Howard Radio26Howard 59 schematic circuit diagram
Howard 5B1936Gernsback7Radio1582Howard 5B schematic circuit diagram
Howard 5B1937Rider8Howard Radio1Howard 5B schematic circuit diagram
Howard 601936Rider7Howard Radio14Howard 60 schematic circuit diagram
Howard 60 ;Combination1931Gernsback2Radio263Howard 60 ;Combination schematic circuit diagram
Howard 60 ;Series 11935Gernsback6Radio570Howard 60 ;Series 1 schematic circuit diagram
Howard 60AHV1931Rider2Howard Radio6Howard 60AHV schematic circuit diagram
Howard 60AHV1932Rider3Howard Radio1 10Howard 60AHV schematic circuit diagram
Howard 60AHVP1932Rider3Howard Radio10Howard 60AHVP schematic circuit diagram
Howard 60SW1936Rider7Howard Radio12 14Howard 60SW schematic circuit diagram
Howard 60SW ;Series 11935Gernsback6Radio571Howard 60SW ;Series 1 schematic circuit diagram
Howard 6261935Gernsback6Radio575Howard 626 schematic circuit diagram
Howard 6261937Rider8Howard Radio14Howard 626 schematic circuit diagram
Howard 650 ;Preamp1941Rider12Howard Radio17Howard 650 ;Preamp schematic circuit diagram
Howard 6601941Rider12Howard Radio11 18Howard 660 schematic circuit diagram
Howard 6651941Rider12Howard Radio17Howard 665 schematic circuit diagram
Howard 670A1935Rider6Howard Radio7Howard 670A schematic circuit diagram
Howard 671935Gernsback6Radio575Howard 67 schematic circuit diagram
Howard 67C1937Rider8Howard Radio14Howard 67C schematic circuit diagram
Howard 67T1937Rider8Howard Radio14Howard 67T schematic circuit diagram
Howard 681936Gernsback7Radio1583Howard 68 schematic circuit diagram
Howard 681936Rider7Howard Radio17Howard 68 schematic circuit diagram
Howard 68 ;Revised1937Rider8Howard Radio4Howard 68 ;Revised schematic circuit diagram
Howard 6B1938Rider9Howard Radio4Howard 6B schematic circuit diagram
Howard 6BA1938Rider9Howard Radio5Howard 6BA schematic circuit diagram
Howard 7001940Rider11Howard Radio2Howard 700 schematic circuit diagram
Howard 7001941Rider13Howard Radio9Howard 700 schematic circuit diagram
Howard 7021941Beitman1941Radio58Howard 702 schematic circuit diagram
Howard 7021941Rider12Howard Radio16Howard 702 schematic circuit diagram
Howard 7151937FileHoward-B5_715(Sheaffer
-Radio Clock_Radio
Clock Pen Set)
-1937.RadioCraft
.Radio
RadiojpgHoward 715 schematic circuit diagram
Howard 7181941Rider12Howard Radio19Howard 718 schematic circuit diagram
Howard 718 ;Series X1944Rider14Howard Radio5Howard 718 ;Series X schematic circuit diagram
Howard 718 ;Series X1948Rider17Howard Radio25Howard 718 ;Series X schematic circuit diagram
Howard 718FM1941Rider13Howard Radio11Howard 718FM schematic circuit diagram
Howard 718FM561948Rider17Howard Radio23Howard 718FM56 schematic circuit diagram
Howard 718FM ;Series1941Rider13Howard Radio11Howard 718FM ;Series schematic circuit diagram
Howard 718X1942Beitman1942Radio59Howard 718X schematic circuit diagram
Howard 718X1944Rider14Howard Radio5Howard 718X schematic circuit diagram
Howard 7651941Beitman1941Radio59 60Howard 765 schematic circuit diagram
Howard 7651941Rider12Howard Radio20 22Howard 765 schematic circuit diagram
Howard 7681941Rider12Howard Radio20 22Howard 768 schematic circuit diagram
Howard 77C1935Gernsback6Radio573Howard 77C schematic circuit diagram
Howard 77C1936Rider7Howard Radio19Howard 77C schematic circuit diagram
Howard 77LW1936Rider7Howard Radio21Howard 77LW schematic circuit diagram
Howard 77T1935Gernsback6Radio373Howard 77T schematic circuit diagram
Howard 77T1936Rider7Howard Radio19Howard 77T schematic circuit diagram
Howard 7801941Beitman1941Radio60 61Howard 780 schematic circuit diagram
Howard 7801941Rider12Howard Radio21Howard 780 schematic circuit diagram
Howard 7BT1938Rider9Howard Radio6Howard 7BT schematic circuit diagram
Howard 8021942Beitman1942Radio60Howard 802 schematic circuit diagram
Howard 8021944Rider14Howard Radio9Howard 802 schematic circuit diagram
Howard 8061941Rider13Howard Radio15Howard 806 schematic circuit diagram
Howard 8081941Rider13Howard Radio16Howard 808 schematic circuit diagram
Howard 8081942Beitman1942Radio61Howard 808 schematic circuit diagram
Howard 808 ;band spread1941Rider13Howard Radio15Howard 808 ;band spread schematic circuit diagram
Howard 808 ;bands pread1941Rider13Howard Radio17Howard 808 ;bands pread schematic circuit diagram
Howard 808 ;Seriesx1941Rider13Howard Radio19Howard 808 ;Seriesx schematic circuit diagram
Howard 8101944Rider14Howard Radio7Howard 810 schematic circuit diagram
Howard 81930RSS1Radio42Howard 8 schematic circuit diagram
Howard 8651944Rider14Howard Radio10Howard 865 schematic circuit diagram
Howard 8681942Beitman1942Radio62Howard 868 schematic circuit diagram
Howard 8681944Rider14Howard Radio11Howard 868 schematic circuit diagram
Howard “8-7”1936Gernsback7Radio1082Howard “8-7” schematic circuit diagram
Howard 8 ;Green Diamond1930Gernsback1Radio196Howard 8 ;Green Diamond schematic circuit diagram
Howard 8 Green Diamond1930Gernsback1Radio196Howard 8 Green Diamond schematic circuit diagram
Howard 9011946Beitman1946Radio55Howard 901 schematic circuit diagram
Howard 9011947Rider15Howard Radio1 4Howard 901 schematic circuit diagram
Howard 901A1947Beitman1947Radio62Howard 901A schematic circuit diagram
Howard 901A1947Rider15Howard Radio1Howard 901A schematic circuit diagram
Howard 901A1947Rider16Howard Radio1Howard 901A schematic circuit diagram
Howard 901A1948Rider17Howard Radio4Howard 901A schematic circuit diagram
Howard 901AE1946SM1Radio8Howard 901AE schematic circuit diagram
Howard 901AE1947Rider15Howard Radio1 4Howard 901AE schematic circuit diagram
Howard 901AH1946SM1Radio8Howard 901AH schematic circuit diagram
Howard 901AH1947Rider15Howard Radio1 4Howard 901AH schematic circuit diagram
Howard 901AI1947Rider15Howard Radio1 4Howard 901AI schematic circuit diagram
Howard 901AM1947Rider15Howard Radio1 4Howard 901AM schematic circuit diagram
Howard 901AP1946SM10Radio21Howard 901AP schematic circuit diagram
Howard 901AP1947Beitman1947Radio62Howard 901AP schematic circuit diagram
Howard 901AP1947Rider15Howard Radio3Howard 901AP schematic circuit diagram
Howard 901APA1947Rider16Howard Radio2Howard 901APA schematic circuit diagram
Howard 901M1946SM1Radio8Howard 901M schematic circuit diagram
Howard 901W1946SM1Radio8Howard 901W schematic circuit diagram
Howard 902A1949Rider18Howard Radio7Howard 902A schematic circuit diagram
Howard 9061947Beitman1947Radio63Howard 906 schematic circuit diagram
Howard 9061947Rider16Howard Radio3Howard 906 schematic circuit diagram
Howard 9061947SM17Radio18Howard 906 schematic circuit diagram
Howard 906C1947Rider16Howard Radio4Howard 906C schematic circuit diagram
Howard 906C1947SM17Radio18Howard 906C schematic circuit diagram
Howard 906M1948Rider17Howard Radio34Howard 906M schematic circuit diagram
Howard 906S1948Rider17Howard Radio29Howard 906S schematic circuit diagram
Howard 906SB1949Rider18Howard Radio9Howard 906SB schematic circuit diagram
Howard 909M1947SM25Radio15Howard 909M schematic circuit diagram
Howard 909MR1949Rider18Howard Radio4Howard 909MR schematic circuit diagram
Howard 9201946SM5Radio7Howard 920 schematic circuit diagram
Howard 9201947Beitman1947Radio64Howard 920 schematic circuit diagram
Howard 9201947FileHoward-920-1947
.RadioNews
RadiojpgHoward 920 schematic circuit diagram
Howard 9201947FileHoward-920-1947
.RadioNews.Radio
RadiopdfHoward 920 schematic circuit diagram
Howard 9201947Rider15Howard Radio5Howard 920 schematic circuit diagram
Howard 99C1935Gernsback6Radio574Howard 99C schematic circuit diagram
Howard 99C1936Rider7Howard Radio23Howard 99C schematic circuit diagram
Howard 99LW1936Rider7Howard Radio22Howard 99LW schematic circuit diagram
Howard 99T1935Gernsback6Radio574Howard 99T schematic circuit diagram
Howard 99T1936Rider7Howard Radio23Howard 99T schematic circuit diagram
Howard A121935Gernsback6Radio566Howard A12 schematic circuit diagram
Howard A121935Rider6Howard Radio1Howard A12 schematic circuit diagram
Howard A51930Rider1Howard Radio1Howard A5 schematic circuit diagram
Howard A61930Rider1Howard Radio1Howard A6 schematic circuit diagram
Howard AA251935FileHoward-G26_Airplane
4_AA25-1935.RadioCraft
RadiojpgHoward AA25 schematic circuit diagram
Howard AA251935Gernsback6Radio566Howard AA25 schematic circuit diagram
Howard AA251935Rider6Howard Radio3Howard AA25 schematic circuit diagram
Howard Airplane 41935FileHoward-G26_Airplane
4-1935.RadioCraft
.Radio
RadiojpgHoward Airplane 4 schematic circuit diagram
Howard Airplane 41935FileHoward-G26_Airplane
4_AA25-1935.RadioCraft
RadiojpgHoward Airplane 4 schematic circuit diagram
Howard AP1933Gernsback4Radio157Howard AP schematic circuit diagram
Howard AVH1931Gernsback2Radio261Howard AVH schematic circuit diagram
Howard AVH ;Chassis1931Rider2Howard Radio6Howard AVH ;Chassis schematic circuit diagram
Howard AVH ;Chassis1932Rider3Howard Radio10Howard AVH ;Chassis schematic circuit diagram
Howard AVHP ;Chassis1931Rider2Howard Radio6Howard AVHP ;Chassis schematic circuit diagram
Howard AVHP ;Chassis1932Rider3Howard Radio10Howard AVHP ;Chassis schematic circuit diagram
Howard AVO ;Chassis1932Rider3Howard Radio11Howard AVO ;Chassis schematic circuit diagram
Howard B131935Gernsback6Radio567Howard B13 schematic circuit diagram
Howard B131935Rider6Howard Radio1Howard B13 schematic circuit diagram
Howard B51937FileHoward-B5_715(Sheaffer
-Radio Clock_Radio
Clock Pen Set)
-1937.RadioCraft
.Radio
RadiojpgHoward B5 schematic circuit diagram
Howard Cable Nelson1931Rider2Howard Radio12Howard Cable Nelson schematic circuit diagram
Howard CC231935Gernsback6Radio567Howard CC23 schematic circuit diagram
Howard CC231935Rider6Howard Radio3Howard CC23 schematic circuit diagram
Howard CC241935Gernsback6Radio567Howard CC24 schematic circuit diagram
Howard CC241935Rider6Howard Radio3Howard CC24 schematic circuit diagram
Howard D1935Rider6Howard Radio5Howard D schematic circuit diagram
Howard D41931Rider2Howard Radio12Howard D4 schematic circuit diagram
Howard D81935Rider6Howard Radio17Howard D8 schematic circuit diagram
Howard D8 ;Series A1935Gernsback6Radio564Howard D8 ;Series A schematic circuit diagram
Howard E1071935Rider6Howard Radio2Howard E107 schematic circuit diagram
Howard E141935Rider6Howard Radio2Howard E14 schematic circuit diagram
Howard E2561938Rider9Howard Radio1Howard E256 schematic circuit diagram
Howard E2591938Rider9Howard Radio1Howard E259 schematic circuit diagram
Howard E571935Gernsback6Radio571Howard E57 schematic circuit diagram
Howard E571936Rider7Howard Radio12Howard E57 schematic circuit diagram
Howard E5B1938Rider9Howard Radio1 3Howard E5B schematic circuit diagram
Howard Explorer1934FileHoward-Explorer
_Explorer W_W-1934
.RadioCraft
RadiojpgHoward Explorer schematic circuit diagram
Howard Explorer1934Rider5Howard Radio7Howard Explorer schematic circuit diagram
Howard Explorer1935Rider6Howard Radio13Howard Explorer schematic circuit diagram
Howard Explorer1936Rider7Howard Radio9Howard Explorer schematic circuit diagram
Howard Explorer ;Power amp1934Rider5Howard Radio6Howard Explorer ;Power amp schematic circuit diagram
Howard Explorer ;Type 11934Rider5Howard Radio4Howard Explorer ;Type 1 schematic circuit diagram
Howard Explorer ;Type 21934Rider5Howard Radio5Howard Explorer ;Type 2 schematic circuit diagram
Howard Explorer dual range1932Rider3Howard Radio2Howard Explorer dual range schematic circuit diagram
Howard Explorer W1934FileHoward-Explorer
_Explorer W_W-1934
.RadioCraft
RadiojpgHoward Explorer W schematic circuit diagram
Howard F1935Rider6Howard Radio4Howard F schematic circuit diagram
Howard F ;Pentode1931Rider2Howard Radio1Howard F ;Pentode schematic circuit diagram
Howard F ;Series A1935Gernsback6Radio560Howard F ;Series A schematic circuit diagram
Howard FM7181948Rider17Howard Radio20Howard FM718 schematic circuit diagram
Howard G261935FileHoward-G26_Airplane
4-1935.RadioCraft
.Radio
RadiojpgHoward G26 schematic circuit diagram
Howard G261935FileHoward-G26_Airplane
4_AA25-1935.RadioCraft
RadiojpgHoward G26 schematic circuit diagram
Howard G261935Rider6Howard Radio3Howard G26 schematic circuit diagram
Howard Grand ;Series 11935Rider6Howard Radio15Howard Grand ;Series 1 schematic circuit diagram
Howard Grand ;Series 11936Gernsback7Radio211Howard Grand ;Series 1 schematic circuit diagram
Howard Grand ;Series 21935Gernsback6Radio561 562Howard Grand ;Series 2 schematic circuit diagram
Howard Grand ;Series 21936Rider7Howard Radio1Howard Grand ;Series 2 schematic circuit diagram
Howard Green diamond1930Rider1Howard Radio3 5Howard Green diamond schematic circuit diagram
Howard Green Diamond 81930RSS1Radio42Howard Green Diamond 8 schematic circuit diagram
Howard H1931Gernsback2Radio260Howard H schematic circuit diagram
Howard H ;Chassis 451932Rider3Howard Radio3Howard H ;Chassis 45 schematic circuit diagram
Howard H ;Chassis 45s1932Rider3Howard Radio3Howard H ;Chassis 45s schematic circuit diagram
Howard H ;Chassis 471931Rider2Howard Radio3Howard H ;Chassis 47 schematic circuit diagram
Howard H ;Chassis 47s1931Rider2Howard Radio3Howard H ;Chassis 47s schematic circuit diagram
Howard HA11935Rider6Howard Radio7Howard HA1 schematic circuit diagram
Howard HA21935Gernsback6Radio569Howard HA2 schematic circuit diagram
Howard HA21935Rider6Howard Radio10Howard HA2 schematic circuit diagram
Howard HA31935Rider6Howard Radio11Howard HA3 schematic circuit diagram
Howard HA41935Gernsback6Radio569Howard HA4 schematic circuit diagram
Howard HA41935Rider6Howard Radio12Howard HA4 schematic circuit diagram
Howard HA61936Rider7Howard Radio3 9Howard HA6 schematic circuit diagram
Howard HA6 ;Series 11936Gernsback7Radio381Howard HA6 ;Series 1 schematic circuit diagram
Howard HA6 ;Series 21936Gernsback7Radio511Howard HA6 ;Series 2 schematic circuit diagram
Howard HA71939Rider10Howard Radio3Howard HA7 schematic circuit diagram
Howard HA81939Rider10Howard Radio3Howard HA8 schematic circuit diagram
Howard HA91939Rider10Howard Radio3Howard HA9 schematic circuit diagram
Howard Highwayman1934Gernsback5Radio421Howard Highwayman schematic circuit diagram
Howard Intermediate freq1936Rider7Howard Radio4Howard Intermediate freq schematic circuit diagram
Howard J-31936Gernsback7Radio512Howard J-3 schematic circuit diagram
Howard J3 Compact1932Rider3Howard Radio12Howard J3 Compact schematic circuit diagram
Howard K1933Gernsback4Radio158 159Howard K schematic circuit diagram
Howard K ;Chassis1932Rider3Howard Radio8Howard K ;Chassis schematic circuit diagram
Howard L1933Gernsback4Radio151 16Howard L schematic circuit diagram
Howard L ;Chassis1932Rider3Howard Radio5Howard L ;Chassis schematic circuit diagram
Howard M1933Gernsback4Radio162Howard M schematic circuit diagram
Howard M901A1939Rider16Howard Radio1Howard M901A schematic circuit diagram
Howard M ;Chassis1932Rider3Howard Radio6Howard M ;Chassis schematic circuit diagram
Howard M ;Chassis Type 11932Rider3Howard Radio7Howard M ;Chassis Type 1 schematic circuit diagram
Howard O1931Gernsback2Radio261Howard O schematic circuit diagram
Howard O ;Chassis1931Rider2Howard Radio8 13Howard O ;Chassis schematic circuit diagram
Howard Push button adaptor1940Rider11Howard Radio7Howard Push button adaptor schematic circuit diagram
Howard Q1934Gernsback5Radio417Howard Q schematic circuit diagram
Howard Q1934Rider4Howard Radio2Howard Q schematic circuit diagram
Howard Q1936Rider7Howard Radio9Howard Q schematic circuit diagram
Howard R91934Rider5Howard Radio1Howard R9 schematic circuit diagram
Howard R-91936Gernsback7Radio1081Howard R-9 schematic circuit diagram
Howard S21934Rider4Howard Radio1Howard S2 schematic circuit diagram
Howard S-21936Gernsback7Radio1082Howard S-2 schematic circuit diagram
Howard S21936Rider7Howard Radio9Howard S2 schematic circuit diagram
Howard S2251938Rider9Howard Radio9 13Howard S225 schematic circuit diagram
Howard S2251939Beitman1939Radio59Howard S225 schematic circuit diagram
Howard S2501938Rider9Howard Radio9 13Howard S250 schematic circuit diagram
Howard S2501939Beitman1939Radio59Howard S250 schematic circuit diagram
Howard S2561937Rider8Howard Radio2 10Howard S256 schematic circuit diagram
Howard S-256 ;Series 11936Gernsback7Radio1581Howard S-256 ;Series 1 schematic circuit diagram
Howard S2591937Rider8Howard Radio2 13Howard S259 schematic circuit diagram
Howard S2601938Rider9Howard Radio10 13Howard S260 schematic circuit diagram
Howard S2601939Beitman1939Radio59Howard S260 schematic circuit diagram
Howard S2-S71934Gernsback5Radio416Howard S2-S7 schematic circuit diagram
Howard S6C1930Gernsback1Radio196DHoward S6C schematic circuit diagram
Howard S71934Rider4Howard Radio1Howard S7 schematic circuit diagram
Howard S71936Rider7Howard Radio9Howard S7 schematic circuit diagram
Howard SG81930RSS1Radio121Howard SG8 schematic circuit diagram
Howard SG-A1930Gernsback1Radio196AHoward SG-A schematic circuit diagram
Howard SGA1930Rider1Howard Radio6Howard SGA schematic circuit diagram
Howard SGA1930RSS1Radio101Howard SGA schematic circuit diagram
Howard SGA1930RSS1Radio43Howard SGA schematic circuit diagram
Howard SG-B1930Gernsback1Radio196S 259(V2)Howard SG-B schematic circuit diagram
Howard SGB1931Rider2Howard Radio14Howard SGB schematic circuit diagram
Howard SGC1930Rider1Howard Radio6Howard SGC schematic circuit diagram
Howard SG-T1931Gernsback2Radio258UHoward SG-T schematic circuit diagram
Howard SGT1931Rider2Howard Radio10Howard SGT schematic circuit diagram
Howard SN71930Rider1Howard Radio2Howard SN7 schematic circuit diagram
Howard T ;Chassis1931Rider2Howard Radio10Howard T ;Chassis schematic circuit diagram
Howard W1934FileHoward-Explorer
_Explorer W_W-1934
.RadioCraft
RadiojpgHoward W schematic circuit diagram
Howard W ;Explorer1934Gernsback5Radio418Howard W ;Explorer schematic circuit diagram
Howard W ;Explorer 2nd Revision1935Gernsback6Radio563Howard W ;Explorer 2nd Revision schematic circuit diagram
Howard W ;Power amp1934Rider5Howard Radio6Howard W ;Power amp schematic circuit diagram
Howard W ;Type 11934Rider5Howard Radio4Howard W ;Type 1 schematic circuit diagram
Howard W ;Type 21934Rider5Howard Radio5Howard W ;Type 2 schematic circuit diagram
Howard W Explorer1934Gernsback5Radio418Howard W Explorer schematic circuit diagram
Howard W explorer1934Rider5Howard Radio7Howard W explorer schematic circuit diagram
Howard W explorer1935Rider6Howard Radio13Howard W explorer schematic circuit diagram
Howard W explorer1936Rider7Howard Radio9Howard W explorer schematic circuit diagram
Howard W Explorer ;2nd Revision1935Gernsback6Radio563Howard W Explorer ;2nd Revision schematic circuit diagram
Howard X21934Gernsback5Radio419Howard X2 schematic circuit diagram
Howard X21934Rider4Howard Radio4Howard X2 schematic circuit diagram
Howard X21936Rider7Howard Radio9Howard X2 schematic circuit diagram
Howard X2751939Rider10Howard Radio11Howard X275 schematic circuit diagram
Howard X31934Gernsback5Radio419Howard X3 schematic circuit diagram
Howard X31934Rider4Howard Radio4Howard X3 schematic circuit diagram
Howard X31936Rider7Howard Radio9Howard X3 schematic circuit diagram
Howard X61934Gernsback5Radio419Howard X6 schematic circuit diagram
Howard X81934Gernsback5Radio419Howard X8 schematic circuit diagram
Howard X81934Rider4Howard Radio4Howard X8 schematic circuit diagram
Howard X81936Rider7Howard Radio9Howard X8 schematic circuit diagram
Howard Y31934Gernsback5Radio419Howard Y3 schematic circuit diagram
Howard Z1934Gernsback5Radio420Howard Z schematic circuit diagram
Howard Z41934Rider4Howard Radio6Howard Z4 schematic circuit diagram
Ward ODM Series1936FileWard-ODM Series
-1936.RadioCraft
RadiojpgWard ODM Series schematic circuit diagram

These radio, TV, record player, amplifier, amp and tape or cassette recorder schematics, circuit diagrams and service manuals are mostly high quality, very readable scans and will usually be Emailed within an hour or two, if I need to scan an item, or it's the middle of the night, here in the UK it is 01:13 it may take a little longer! If more than one schematic is listed for a model I will generally send them all, unless too big to attach!
Specialising in British schematics Roberts, Hacker, Bush, Pye etc. also American and German manuals feature strongly, search for what you need. Multi page manuals are Emailed as pdfs. Please Email or phone 0788 4425213 Thanks for looking, Mike.
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90V/1.4V Battery Eliminator

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Fill in the "Make" and "Model" boxes, if you are unsure of the model, leave it blank and I will list ALL models for that manufacturer, similarly if you only have the model number leave "Make" blank and I will list similar model names from ALL manufacturers.
More explanation here. Some sources searched :-
Book Set KEY Years
J.F. Rider's Perpetual Rider 1920-54
Trader Service sheets Trader 1933-81
Beitman's Radio Diags Beitman 1926-69
Beitman's TV Diagrams Beitman 1947-70
Gernsback Radio Diags. Gernsback 1922-34
Empfanger Schaltungen ES 1928-57
RCA Service Notes RCASN 1923-52
Broadcaster Supplements Broadcaster 1934-42
Radio and TV 36 vol set RTV 1945-86
Radio and TV 5 vol set RTV5 1945-54
Crosley Service Suppls. Crosley 1929-42
My Pre-scanned Files File =>2021
The search logic is slightly "fuzzy" in that it's case insensitive and ignores punctuation so, model TR-510 is the same as tr510, and G.E.C is the same as "gec".

(292048 schematics* by 2109 different manufacturers indexed!)
Updated 16th. Oct 2021

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