Up for your consideration, is a Vintage 1976 Hewlett Packard HP-25C Continuous Memory Scientific Calculator. This calculator has been tested and is working. It has it's Original Battery Pack which nee

 

This is an original Edit All S-3 Precision Machined Aluminum Splicing Block used for splicing 1/4" audio tape. Made in the U.S.A. This block is New/NOS has never been used and is in perfect condition

 

1970's Pocketronic II Calculator Missing power cord Serial # 115047 Original thermal tape cartridge, black case, serial card and box. NEVER USED Excellent condition. Each previous sale was complete. S

 

Up for auction 2 very clean Hammond organ amplifiers, 6V6. The amplifiers themselves are untested but their tubes have been fully tested and are in the good or better range. Amps will be professionall

 

PAIR 2A3 RCA - Radiontron - Vacuum Tubes New Old Stock Black Plate - Getter "D" - CODE 752 . SEE PHOTOS. The valve was found in the BAU GRANDPA. Grandpa closed his workshop for more than 30 years. I h

 

DATAMATH CALCULATOR MUSEUM sells on eBay MBO FN-8D MBO introduced with the FN-8D one of the most unusual calculator ever manufactured! With only 20 keys - less than some "four bangers" - performs it m

 

Pair KEN-RAD JAN-CKR-6SN7G VT-231 Black Plate Tubes TV-7D/U Reading - 90/86 & 90/86; Min - 50/50 Made in USA by KEN-RAD You are bidding on a Pair KEN-RAD JAN-CKR-6SN7G VT-231 Black Plate Tubes in

 

OFFERING four (4) Type A1729 Point-contact transistors . (Any point contact type of transistor is collectible, identified because there is a small hole on the unit to allow for manual adjustment of th

 

Check out my other items! WOW GIANT LOT OF NOS NIB VINTAGE AUDIO TUBES 3000 PIECES ALL MATCHED MINT CONDITION NOS NIB RARE DEAL YOU GET 3000 PIECES ALL MATCHED 100% NOS NIB CODE MATCHED FACTORY MATCHE

 

Pristine on the outside and minimal wearing around the interior cones. No cracks or splits. Beautiful solid wood cabinets make these a fabulous showpiece. Due to the all screw construction replacing c