3 GE 5670 vacuum tubes test really strongThey all have 2 mica insulators and black plates.They all have 50's date codes. I got these tubes from an engineering friend. He was very picky about marking t

 

fhjp1 Store Vintage Scientific Columbia Calculator in vinyl case #303359 Vintage Scientific Columbia Calculator in vinyl case #303359 We currently accept PayPal only for payment. We ship almost anywhe

 

Used to power two Jensen field coil A-12 speakers. Comes with Kenrad 2A3 tubes, two 56 tubes, and one rectifier tube. Reason for selling - cleaning out old project to-do's that never came to fruition.

 

Up for auction is a highly sought after JAN CUE-211 (VT-4C) tube, manufactured by United Electronics. The tube filament is intact. I checked continuity between the filaments. The tube is in great phys

 

LOT of 9 vintage vacuum tubes: Sylvania,RCA,GE,etc. models 5U4,6SQ7,6SN7,6SL7 The two large RCA's I'm not sure what model they are.5U4's? The other large one is a Sylvania 5U4. One RCA and one GE 6SQ7

 

My father was the original owner. Used very little and then kept in a desk drawer for probably about 25 years.

 

This Sharp 8 digit Math student "Thin-Man" scientific calulator with Comprehensive applicaton book is complete. Model EL-509A-T with text. Original box in good condition and interior clear plastic tra

 

0 false 18 pt 18 pt 0 0 false false false SIGNET SIGNATRACE XK35 TONEARM CLASSIC - SUPERIOR ANALOG This auction is for a vintage Signet Signatrace XK35 tonearm. This item has been tested and is in wor

 

The KLH Model Twenty-One radio was introduced in 1965 and delivered some of the best FM radio performance to be had for $80. It’s one of those solid state classics that has a following to this day f

 

It is in good condition. You receive what you see in the image. Checked all is well. There is a local broadcasting company.I sell it as though the contents of the tape corresponds to what is written o