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Member
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Registered: February 2016
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WWII era Western Electric CW-936 Radiotelephone
Quantity Views Date Posted
1 2603 Thu February 11, 2016
Asking Price Shipping Amount Condition
Best Offer None Excellent
Description:

The Western Electric CW-936 Radiotelephone set was developed by Western Electric for the Department of the Navy during WWI for use primarily on sub chaser (U-Boat) ships.  The complete CW-936 Radiotelephone set consisted of the following major components: The WE CW-928 power switch board, two CW-927 dynamotors, the CW-938 transmitter-receiver, the CW-926A audio amplifier, the CW-969 antenna switch, the CW-930 microphone, the CW-834 headset and the CW-929 Horn Speaker.  The transmitter and the audio amplifier operated directly off the 350 volt outputs of the CW-927 dynamotors.  The entire system operated from the ship's 30 volt storage batteries. 


This first completely successful voice modulated equipment was designed for use on any one of five frequencies.  The frequency could be shifted to any one of these, all of which were within the band 500-1,500 kc., by means of a simple frequency change switch which cut in different fixed values of capacity and inductance for each of the five switch positions. 


 


For auction is the CW-938 transmitter-receiver manufactured by Western Electric for the Navy in 1918.  The piece is in the original wood case.  As seen within the pictures, this is a complete piece with no visible signs of damage.  The box and components show no evidence of modification or restoration.  There are 3 VT-1 vacuum tubes and 2 VT-2 vacuum tubes that are intact within the piece.  There are 2 additional VT-2 vacuum tubes that will be included within the auction.  This is a very rare piece and another may not be seen for many years.  


 


In addition, there are many, many SW radio components, transceivers, power supplies, linear amplifiers, antenna tuners, signal generators, multimeters, oscilliscopes, and more.  


See it all at www.clevelandonlineauctions.com



Keywords: WWII RADIO FOR SALE; SW HAM PIECES SALE




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