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874=US Navy CRC 38274 RCA Radiotron Balloon tests like new 1930's Image 1
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874=US Navy CRC 38274 RCA Radiotron Balloon tests like new 1930's Nav Image 1

874=US Navy CRC 38274 RCA Radiotron Balloon tests like new 1930's

$15.00 $17.99


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874 all balloon voltage regulator


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  • Description

874=US Navy CRC 38274 RCA Radiotron Balloon tests like new 1930's in white box

 

voltage regulator (150VDC @ 10-50ma)


developed in 1925

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