Variable from an AM radio, probably the late 1920s. It is 3-1/4" x 3 1/4" x 2 1/4" H, with the original knob. The plates are close spaced, so it probably exceeds 500 pF. It could use a good cleaning.

 

Working TI-83 Plus Graphing Calculator! Works Fine! Comes with slip case. I will split Priority Mail with Delivery Confirmation so you pay only $2.45. US bidders only. Thanks.

 

2x RT 12AU7s (premium type) ecc82 tested NOS eec802s 5814 CV4003 6189 TUBESPrints are bad, but visible, same codes, matched pair Shipping via Airmail to EU countries is 6,5usd and $9 other countries.

 

Mid Century Modern Round SpeakersSpeakers have a great midcentury sound and they are in excellent working order The speakers are out of the 60s early 70s they were made from particle board and cardboa

 

Welcome to The Technology Surplus Depot Vintage Pioneer SX-3700 AM FM Stereo Radio This receiver was powered on and tested to output AM FM radio. The output seemed slightly inconsistent, volume-wise,

 

NATIONAL UNION GLOBE 245MATCHED PAIRNOS PAIR (2) matched, NOS, tubes with single, side, solid plate getter, black plates and engraved bases. Both tubes are identical structurally, and have original bo

 

1 RCA 5U4GB NOS/NIB

 

This vintage record player was my graduation gift. Circa 1973. I have been taking it around from place to place for a very long time and have decided it's somone elses turn to enjoy the nostalgia of a

 

Up for auction is a very unique and rare 1959 RCA Victor color television set.  This model is known as "The Corinthian", model # 210CK936 and it uses the CTC-9 chassis.  The overall condition of thi

 

Up for bid are A Vintage University N2B Crossover Network and a University tweeter model 4401 as shown both untested