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The following notes are automatically scraped from Google,DuckDuckGo,
Yahoo and Yandex they might not pertain to the correct model!
CountryUnited States of America (USA)
ManufacturerAccurate Instrument Co. Inc.; New York (NY)
ModelTube Tester 257 - Accurate Instrument Co. Inc.;
Year: 1968Service- or Lab Equipment
Wave Bands- without
Power TypeAlternating Current supply (AC) / 110 Volt
Dimensions350 x 90 x 230 mm / 13.8 x 3.5 x 9.1 inch
Net Weight1 kg / 2 lb 3.2 oz (2.203 lb)
Initial Price47.50 USD
SourceMyFile: Accurate-257_Valvetester_TubeTester-1968.pdf