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

 

Here is a genuine English Mullard EL34 output pentode. It was tested on an AVO Valve Characteristic Meter and found to be in excellent condition. Results were;- Va, 250; Vg2, 250; Vg1, -13.5; Ia, 54mA

 

Stancor A-3883 Audio Tube Amplifier Output Transformer NOS Impedance: Primary 500 Ohms, Secondary: 15/8/6/4 Ohms, Maximum Audio Power 25 Watts. Tested coils for continuity.  See photos for details. T

 

Vintage Panasonic Stereo 8 Track Player seems to be in good condition. Works great thru all the tracks but makes a little noise up close. Any ?'s please ask sold as is

 

vintage zenith solid state circle of sound clock radio in great condition works great!

 

Here is another Amazing and Beautiful Matched Pair of 2 New Old Stock 1950's Vintage CBS Hytron 5U4G Black Plate, Side "D" Getter, Matched Tubes MIB. These came out of inventory of an old closed down

 

My item is a Complete heads AKAI 6 heads for reel to reel AKAI Gx 635D 636, 646, 747. These heads are SUPER GX (long life head 17 years working continuos) Shipping and handle $20.00 UPS ground (only U

 

this is a vintage Rockwell Trooper handheld GPS receiver. comes with battery pack, antenna , vehicle kit, cable, and manual, don't know if works or not. not tried has a page in manual for sales and se

 

Tested with Neuberger RPM375 20/18mA U710240225/27mA U8207302H good start @ 15mA original BoxWorking Guarantee Return Policy When its not as descripted, Defectife by shipping, Insurance for missing Sh

 

This is an unusual, vintage item. It's a Hexadecimal arithmetic converter, made from heavy cardboard, with pivoted wheels and windows to show the settings and results. It was made in 1985 by Smith Pro