The auction is for a Russian triode GM-70 with copper plate. Manufactured in 1981. The tube looks in new condition like never used. . Airmail shipping worldwide usually takes 7 to 10 days if not delay

 

This auction is for a lot of (4) good used 6F6G vacuum tubes with gray or black glass. There's a pair of Wards Super Airline's with black glass and two Sylvania's (one is branded Zenith). All of these

 

DATAMATH CALCULATOR MUSEUM sells on eBay ELITE model 7001SR Kaufhof Warenmarkt AG, a famous German department store founded already in 1846, sold in the 1970s very interesting electronic calculators u

 

STILL GOING THROUGH MORE BOXES. HERE IS A PENTA 8877 TUBE. CONDITION UNKNOWN, DON'T EVEN KNOW WHERE IT CAME FROM. SELLING AS IS. FEEL FREE TO EMAIL IF YOU HAVE ANY QUESTIONS. CHECK OUT MY OTHER ITEMS.

 

Quadraphonic sound ! ThisAuction is for Sansui Qs-500 in superb cosmetic condition as well as excellent working order. Hardly used at All. This includes all the original owners manuals and schematics

 

These are tested, working tubes, ready to use! A few years back I got into experimenting with old tubes......and there is a sonic difference. I bought up quite a stack of preamp and power tubes for my

 

I HAVE THIS VINTAGE PHILCO PINK CLOCK RADIO THAT DOES WORK BOTH RADIO AND CLOCK SOUNDS GOOD IN PRETTY GOOD SHAPE WITH EXCEPTION OF VERY SMALL CRACK ON TOP LENSE IS NICE WITH LIGHT SCRATCHES KNOBS TURN

 

4 Zenith 6K7G Vacuum Tubes RARE Early Style RF & IF Amplifiers These used tubes have been tested for mutual conductance. On my Hickok TV-7 tester they read 56, 61, 62 and 67. A reading of 36 would

 

This Catalog from "THE MILTON ROSS COMPANY" is a Transipads catalog, from 1967. At the time (1967) Milton Ross where the innovators in there field. If they only knew then, what we know now about the e

 

Up for auction is an Hp 41c calculator. I don't know if this item still works so being sold as parts or not working. It comes with all you see the picture. I don't want this item return so please ask