NO RESERVE..Calculator has not been tested. It has some scratches. Please see pics. The Reference manual is in really good shape. A couple pages have tiny watermarks.The front few pages/cover of the R

 

Vintage 1970's NATIONAL SEMICONDUCTOR SCIENTIFIC CALCULATOR Includes the brown, leather-like case and the Instruction pamphlet. It takes 3 AAA batteries and it works well when they are inserted. There

 

VERY NICE PIONEER TX-7500 EVERYTHING WORKS JUST AS IT SHOULD AND ALL LIGHT WORKS ALSO.

 

Scott 222-D Integrated Tube Amplifier This Scott 222-D is being sold As-Is, with no warranty. It's either a gold mine of parts, or hopefully a solid basis for a restoration to its former glory. The un

 

Old Weston volt meter in good working condition.

 

OK fully tested , works good, all tubes tested with Book, Schematics, building instructions , etc , be advised NO cabinet, this auction is just for the KG-400 TUBE amp, book, and two extra tubes.. Thi

 

HP41 X Memory 82181A PAC for programmable calculator I offer a HP 82181A X Memory Pac. It is in a very good condition. Untested, but assumed to work. Is used for the HP 41C 41CV and 41 CX Shipping cos

 

Fisher 500-C FM Tube Receiver Faceplate in excellent condition for its age (just the faceplate as shown in the pictures) No Zero Feedback, Excessive or strongly Negative Feedback bidders. No internati

 

after years of collecting some of the rarest and finest antique electronic tubes in the world we are now making the best of our private reserve available on ebay The Vacuum Tube Master Collection ****

 

8 RCA 12SL7GT PLATE VACUUM TUBESUNTESTED, tubes are final sale no returns or refunds