The first patent for a rotary dial was awarded to Almon Brown Strowger in 1892. The early forms of a rotary dial used lugs on a finger plate instead of holes and the pulse train was generated without

 

Up for sale is a vintage record pad in very good condition "Music Shop" Victor. See also my other phonograph related items on ebay ! Correct shipping costs: Germany : 2,90 Euro all other countries: 5,

 

LOT of Three (3) Crystal Radio Books from the Xtal Set Society. These Volumes are paperback bound versions of the Crystal Society Newsletters and are crammed full of articles and plans for very sophis

 

- - - - - - - - - - Zenith Radio Corp. G516 Ch= 5G03 For model G516 Ch= 5G03, Zenith Radio Corp.; Chicago, Illinois Country: United States of America (USA) Manufacturer / Brand: Zenith Radio Corp.; Ch

 

Radio Times Magazine, Volume 83, no 1081 for 16th June 1944. Size 240 x 310 mm ,pages nos.1 to 20. Generally sound staples rusty and some discolouration to edges.Contents clean and sound .Interesting

 

SquareTrade © AP6.0 You are bidding on (1) hard to find collector tube, tested good filament, NOS, PENTA LABS BRAND, PL-4X500A radio tube. This is a very hard brand to find, nice find for the collect

 

MEADOWTOWN AUCTIONS PRESENTS: Vtg 1936 Western Electric Manual RADIO TRANSMITTING EQUIPMENT FOR THE 100-250 WATT FIELD Includes 14 pages. #310A & 310B DESIGNED FOR THE SMALL STATION Manual is in v

 

Cannon Plugs Here is a pair of matching Cannon plugs and sockets, great for some sort of project of yours. High quality gold pins. I think this might be the size used on World War 2 Navy aircraft inte

 

Jerry's Treasures AMBEROLA CRANKSHAFT WINDING GEAR < Here's an original Edison crankshaft winding gear that will fit your Amberola model 30, 50 or 75. It was removed from a working Amberola 50 mode

 

Sylvania 5T10 5-tube radio. Good condition, looks good. No scratches, scrapes or cracks. Fires up and works but I cannot get a station with this set - I am 45 miles from the nearest station and in mou