Vintage Collectible Hewlett-Packard HP-19C/HP-29C Owners Handbook and Programming GuideThere is some wear to the color on the covers; looks like from being shuffled around on a desk, and some minor st

 

You are buying on 2 NOS 1955 RAYTHEON CK761 2N113...CK760 2N112 RF amplifiers germanium PNP transistor. Guarantee there performance, Long legs..Never soldered extremely rare, and very collectible. Che

 

template_preview 8pcs 4pin Ceramics vacuum tube sockets valve base Fr U4A 300B 811 audio amps DIY Condition: New Quantity: 8 piecesFor 4pins tube: U4A 300B 811...Working Voltage:1500VContact Resistanc

 

Two Telefunken ECC83/12AX7 Smooth Plates Each of these Smooth Plate vacuum tubes with have top "O" getter Both of these tubes were tested on a Hickok 539C mutual conductance tube tester for shorts, ga

 

This is the deluxe vintage school phonograph. tested and EVERYTHING works perfectly. 4 speeds, MIC input, case lid is 2 removable speakers that are very powerful (See all pics). Seems to have been sto

 

HP HP25 120/220v 82026A Calculator Power Adapter Tested works fine - good/average cosmetic condition 2pin connector I will combine shipping on HP Items Thanks Powered by eBay Turbo ListerThe free list

 

This is a small single ended output transformer for matching an output tube such as a 50L6 to a voice coil. The plate primary impedance can be selected as 1500-2000-2500 Ohms and the secondary impedan

 

Hello, here's a turntable that is in great shape and has great sound reproduction. This one is grey in color and is a direct drive unit, using no belt to spin the platter. I have used this one maybe e

 

Early production RCA Radiotron brass base UV-202 vacuum tube, this is NOS in box [ box is in poor condition after more tha 90 years, it is missing some patrs and falling apart ] and Hickok TV-7 tested

 

Lux corp hi-fi amp, model 3045, 8045G power tubes, 6240G pre amp tubes NOT WORKING!!! this amp is only for someone who is going to RESTORE IT OR USE IT FOR PARTS As you can see in some of the photos t