Philip E. Edelman: 1922: Experimental Wireless Stations. Their Theory Construction and Operation Published by Henley, New York 392 pages No dust wrapper Chapters on Aerials, Coils, grounds, Transmitte

 

Here are four Matched EL34 vacuum tubes. Chinese EL34's are used by major amplifier manufacturers today in new tube amplifiers. These tubes are brand new and are part of a new factory lot. I hand matc

 

USE THE BUY IT NOW OPTION, and I pay the Shipping! Brand New In BoxVintage Atlas Battery Radio Model 3324F Looks like a car Battery This item still in bubble wrap, in original box with unopened batter

 

g Features: On auction very nice Vintage Aiwa ar666 1970s Transistor.The transistor comes with its original case.Made in Japan.The item is in working condition.The cosmetic condition is nice for its a

 

This GE ( General Electric ) 13 Transistor AM/FM Battery Portable radio is as I received it from an estate. I did not find any model number on the radio. I think it is most likely from the mid-to-late

 

We have a White Rotary Phone Dial, Runs smooth, Works Good,It is out of a ITT Desk phone, Questions, Please ask, Thanks for shopping with me!! I ship ONLY in the United States!!

 

National Radio Supply Company, Washington, D.C., Catalog No. 2, July 1919. "A book of radio apparatus covering every need of the experimenter." The catalog includes items from over 50 firms including:

 

Offered here are three "ST" type vintage 12A vacuum tubes. Two matched Silvertone tested at 2150/1650 and 2150/1650mu's. One has a very slight loose base, no rattles on eighter tube. The other is a Wa

 

A VERY RARE AND HARD TO FIND VICTOR FANCY D IN THIS CONDITION   BEAUTIFUL HAND TOOLED CASE AND RARE ORIGINAL SPEARPOINT HORN  EVERYTHING IS ORIGINAL THE PICTURES DO NOT DO THIS MACHINE JUSTICE  FO

 

If you collect or restore old radios, crystal sets, early scientific apparatus, vintage test equipment, military surplus, or other unique old technical items, keep me on your favorite seller list. I a