The radio connection to Philadelphia also touches the receiver side.RCA is still a popular brand name in consumer electronics, and itshistory goes back to Philadelphia as well. But RCA isn’t the ...
In 1935, Zenith Radio produced a radio receiver called the Stratosphere model 1000Z. The set used 25 tubes and three loudspeakers, more than any other radio to date. A then-amazing 50W drove its three ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This prototype receiver was made by ...