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

 

Dimensions: 5 5/16" x 2 1.16" Weight: @ 2 1/2oz. We offer an used TUNG-SOL JAN 5998 Vacuum Tube, a twin triode tube made by Tung-Sol for Chatham Electric. This is a clean military-grade tube with blac

 

THIS SALE IS FOR A PAIR OF USED GENERAL ELECTRIC GL-3C23 VACUUM TUBES. I DID NOT FIND THIS TUBE IN ANY OF MY TUBE TESTERS, SO THEY ARE BEING SOLD UNTESTED. BUYER TO PAY SHIPPING COST. SEE MY OTHER AUC

 

Vintage console speakers set including wires. In great condition 12 inch by 8 inch speakers

 

The HP 41CX Calculator has alphanumeric processing capabilities and a unique and intuitive user interface. This HP scientific calculator has 63 registers that can be divided between program and storag

 

Both the Owner's Manual and the Advanced Functions Handbook for the HP 15C in the preferred spiral-bound format. The covers show discoloration that I think is mainly from age. Please look at the pictu

 

Flagshipaudio store BRAND: Technics MODEL: RS-1500US VOLTAGE: 120 VAC 50-60Hz 160 Watts CONDITION: Used unit has small rub mark from out of round reels on the left side SERIAL #: RG700925 SPECS: 2 Tra

 

Vintage TEAC 3340 4 Chanel Simul-sync stereo Reel To Reel Tape Deck DescriptionThe deck is in good condition and fully functional.Refer to my pictures to see the overall cosmetic condition. There are

 

20 - Vintage Good-All Capacitor Pulls .1 100v 600UE Hammond # AO-506-13 Made in USA Sold as-is. I do combine shipping. S&H 7 International $14

 

For sale is a beautiful and matching quintet of NOS GEC Z729 / EF86 / 6267 tubes. All are brand new, they come in a styrofoam container and were tested on my Neuberger RPM370 tester with very good res