Images(3)

Amplifier

Object number2007.167.604

Manufacturer Westinghouse Electric and Manufacturing Company (1886 - 1945)

OriginSpringfield, MA

MediumPlastic; Wood; Metal

Credit LineTransfer from George Westinghouse Museum Foundation

DescriptionBlack plastic and brown wooden amplifier. Rectangular footed base that slopes up to a rectangular body. Black plastic front. Two vertical black plastic pieces on the front screwed onto the wooden body. On the left side are three circular black plastic dials with white text. Black metal plaque with silver text under the dials. The right side has a circular speaker near the top. Black metal plaque with silver text under the speaker. Two circular black plastic dials under the plaque with white text around. Three silver inputs near the base with white text underneath. On the back are two black plastic rows and a black plastic square with circular silver dials. White text under each dial. Four silver metal rods connect the first four dials. Wooden lid on top of the amplifier connected by two silver hinges. Yellow sticker with black text under the lid. Inside the amplifier are metal rods and circuits with plastic coated wires.DimensionsHeight x Width x Depth: 9.75 x 13.375 x 10 in. (24.8 x 34 x 25.4 cm)
InscriptionsWhite text on the top dial on the left side states "TUNER".

White text on the bottom left dial on the left side states "MIN. / VERNIER / MAX."

White text on the bottom right dial on the left side states "MIN. / TICKLER / MAX."

White text under the bottom left dial on the right side states "OFF / DET. FIL. RHEO."

White text under the bottom right dial on the right side states "OFF / AMP. FIL. RHEO."

White text under the silver inputs state "DET. / 1 STAGE / 2 STAGES".

White text under the first row of dials on the back states "GRID / FIL. GND. / TICKLER / PLATE / +A-B. BAT. / -A BAT. / +DET. B. BAT. / +AMPL. B. BAT."

White text under the second row of dials on the back states "GRID / FIL. GND. / TICKLER / PLATE".

White text under the last dial on the back states "ANTENNA".

Black text on the yellow sticker states "LICENSED ONLY FOR / AMATEUR EXPERIMENTAL / AND ENTERTAINMENT USE / AND ONLY TO EXTENT / INDICATED / IN ATTACHED NOTE".
MarksSilver text on the black plaque on the bottom of the left side states "Westinghouse / WAVE LENGTH / 130-700 METERS / STYLE 307185 / SERIAL / RECEIVING / TUNER / TYPE RA / LICENSED / FOR AMATEUR / AND / EXPERIMENTAL / USE ONLY / 5422 / (5-29-22) / PATENTED 6-30-08 10-6-14 / MADE FOR THE RADIO CORPORATION OF AMERICA BY / WESTINGHOUSE ELECTRIC & MANUFACTURING CO. / EAST SPRINGFIELD WORKS. SPRINGFIELD, MASS. U.S.A."

White text on the top dial on the left side states "Westinghouse".

Silver text on the black plaque on the right side states "Westinghouse / LICENSED FOR AMATEUR / AND / EXPERIMENTAL / USE ONLY / DETECTOR / AMPLIFIER / TYPE DA / STYLE / 307190 / 4-17-06 10-6-14 / 7-3-17 5-10-21 / 5423 / (5-29-22) / SERIAL L09232 / MADE FOR THE RADIO CORPORATION OF AMERICA BY / WESTINGHOUSE ELECTRIC & MANUFACTURING CO. / EAST SPRINGFIELD WORKS. SPRINGFIELD, MASS. U.S.A."

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