The Natrometer, a great invention in it's day. It was sold by the National Radio Institute in 1925. There were extra cylinders available at the time so as to not have repetition in the code. It is run

 

INTERNATIONAL BIDDERS PLEASE READ!!! Due to packages getting lost, any items over $30.00 being shipped internationally must be shipped Priority Mail to be eligible for refunds on lost packages. I use

 

Here is a great old record player. She spins beautifully, but needs the audio to be restored. I'm not a professional restorer, so I figured i'd offer this beauty up as is, no returns. She has some wea

 

PAIR BOSE 401 SPEAKERS 1987 - Serial # 119679Impedance 4 OhmsEXCELLENT WORKING CONDITIONDirect / Reflecting Speakers with Stereo space array. FOR LOCAL PICK UP ONLY !

 

DATAMATH CALCULATOR MUSEUM sells on eBay Texas Instruments TI-54 - NEW-IN-BOX Texas Instruments introduced in 1981 with the TI-54 the first calculator performing complex calculations. The technology i

 

Here is a little pile of 7" Reel to Reel recording tapes. Many are Scotch brand reels, all have been recorded on, at least assuming that, all the boxes have songs listed on them. Some of the tapes are

 

CASIO OR-4 VINTAGE MEMORY RAM PACK. 4 KB CAPACITY. NEW IN ORIGINAL BOX AND MANUALS INCLUDED. THIS RAM PACK WILL UPGRADE YOUR CALCULATOR'S MEMORY CAPACITY. THIS IS A CASIO DISCONTINUED ITEM THAT IS NO

 

USED IN GOOD WORKING CONDITION Fisher Studio Standard Tuner FM-2400 . All lights and meters are working

 

2 vintage audio tubes EL34, original Telefunken, made in Ulm / West Germany. Double O - getter, heat sink wings ( strengthened plates ): Great sounding long life version of the EL34 Telefunken - famil

 

Bought at an estate sale. Does power up. No other testing done. pioneer sa-6500 amplifier Items that are sold AS-IS are just that and there will be no repairs, refunds, or returns on these items unles