Two Step Amplifier
Datecirca 1918
Inventory NumberRS0058
ClassificationAmplifier
Subject
Maker
Westinghouse Electric & Manufacturing Company
1886 - 1945
Place of OriginNew York City, NY, United States
Dimensions24 x 27 x 17.7 cm, 5 lb. (9 7/16 x 10 5/8 x 6 15/16 in., 2.3 kg)
Material
AccessoriesNone
DescriptionRectangular box. 10cm w by 7cm h trapdoor with screened aperture for tube installation & monitoring on upper front panel.,See RS0059 which is a later model made by Kilbourne & Clark Mfg. Co., 1922. 2 tubes, transformer coupled. Tubes are rigidly mounted - no vibration isolation. Battery operated. (cont.) Controls: left: FILAMENT CURRENT STEP1 OFF -> RIGHT: FILAMENT CURRENT STEP2 OFF -> Connections: three jacks immediately above screw terminals: DETECTOR, STEP1, STEP2 six screw terminals at bottom of front panel: INPUT: PL, +B PLATE BAT.: +, - FIL. BAT.: +, -
Signedplate on top: TWO STEP AMPLIFIER / TYPE SE 1600A / MADE FOR NAVY DEPT. (BU. S. E.) / BY WESTINGHOUSE ELECTRIC & MFG. CO. / 1918 / RANGE AUDIO FREQUENCY. SERIAL 28AY / 4659 2-28-19
FunctionAmplifying audio signals from detector.
Kilbourne & Clark Manufacturing Company
Date: 1922
Accessories: None
Object number: RS0059
Radio Corporation of America
Date: 1923
Object number: RS0039
Radio Corporation of America
Date: 1922-1923
Object number: RS0038
Date: 1890-1930
Object number: RS0174
Date: 1890-1930
Object number: RS0501
Radio Corporation of America
Date: circa 1921
Object number: RS0722
Beckman Instruments, Inc.
Date: after 1940
Accessories: clear rings (3); black cylindrical tube; long black rectangular object; short black rectangular object; metal rings (4); glass slides (3); CENCO FILTER / NO. 87308-A and CENCO FILTER / NO. 87308-?10B from CENTRAL SCIENTIFIC CO.; manual on file
Object number: 1998-1-1003a
Leeds & Northrup Company
Date: 1930-1950
Accessories: mahogany cover
Object number: 1997-1-0182
