This auction is for a Perryman PR 280 Vacuum tube that was stored in a controlled climate environment for over 70 years. It is part of an old stock collection consisting of several hundred types of tu

 

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

 

snooz Store Dual 1257 turntable with dust cover & changer spindle No Res Columbus Ohio This is a Dual 1257 turntable in good working condition. There is a cartidge installed, butthe stylus that wa

 

Auction is for one pair of Amperite vacuum thermal delay relays. New old stock. These are great for letting equipment warm up before switching on b+ to power tubes. These are 6v, normally open for 90

 

Two H & K Type JAN-4E27 Transmitting Pentode Amplifier Vacuum Tubes Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Up for bid are two Type JAN-4E27 transmitting pentode amplif

 

This AM/FM/TV Vintage Receiver is missing it's original packaging & manual, but is in almost new condition. Works fantastic, and would be a great foundation for any vintage audio system. Made in '

 

RF band pre-selection and separate RF gain control Triple conversion, 55 MHz, 2,5 MHz, 455 kHz Digital display, 1 kHz AM, USB/LSB, CW, 10 kHz - 30 MHz Selectivity: -6 dB/ -60 dB Sensitivity: AM 3,4 -

 

XC 700mm Carbon Fiber V-shape Eight-axis FPV Aircraft Frame Kit Octocopter Frame KitDescription:XC 700mm Carbon Fiber V-shape Eight-axis FPV Aircraft Frame Kit Octocopter Frame Kit Features: - 1.5mm c

 

Still in the original box with manual and tube chart. I tested it on two different tubes and tester works as expected. I do not believe this tester has been used. Very nice and very clean. Free shippi

 

johnmurt Store Quad set EL34 6CA7's New Made in Slovak Pentodes-NEW test strong EL34 6CA7 Pair Philps Mullard 1950's , Made in Holland ,Audio Output Pentodes Tubes, Used- Test strong EXTREMELY RAREAn