The Natrometer, a great invention in it's day. It was sold by the National Radio Institute in 1925. There were extra cylinders available at the time so as to not have repetition in the code. It is run

 

Here is a Beautiful Vintage New Old Stock UTC A-48 A48 Two Wire to Four Wire Hybrid Circuit, 500/600Ω to 500/600Ω Transformer, Mint in Box with screws. See last Pic for full catalog specs. Mint NOS

 

This auction includes the 1980 Vintage Sansui G-5500 Pure Power DC Stereo Receiver only. SP-3000 Speakers are also available in a separate auction. As the photos show, there are a few light signs of u

 

manuals are original, you getting 7c preamp also the schematics, 7c knobs,,i may have more and will add a few more ! pair EL34 TUBES, and a small transformer for 8B amplifier..all for 250$ ! first bid

 

Set of four NOS Ei 12AX7 ECC83 tubes. NOTE these tubes are from the original Ei plant which was destroyed during the war. These original tubes with smooth plates and pinched bases are VERY rare and ha

 

You are bidding on one good used Telefunken 7247 tube. On a TV-7 tester with a minimum of 32 and 55 the tube tests 48 and 114. Readings are written on the tubes. Thank you for viewing our auction. Pay

 

Vintage Lafayette LT 78 AM FM Stereo Tube Tuner I think this is from 1959 I hooked it up to the Lafayette 240 amp and it worked. What it will do after traveling I don't know. The unit has some cosmeti

 

I'm a collector and there is always the problem with space, so I'm selling some items. Fully tested & functional. Lines in/out rca & din. The cabinet is mint, front plate too, excellent condit

 

1970s Sanyo Stereocast digital clock radio with glow in the numerals. It is in good, working order and it is in great condition.

 

Tested with my calibrated Funke W19S 1x 32mA1x NOS sealed Tubes good start @16mA YOU BUY WITHOUT RISK BY US.30 Days Money Back Guarantee when you are not happy with this Item.Send a Message and you ca