![]() Karl Ferdinand Braun, who would later win a Nobel Prize for his work with "wireless telegraphy," created the first cathode-ray tube, naming it the Braun Tube after himself. While the science wasn't fully understood at the time (the scientists thought they were seeing rays or waves, rather than electrons), this discovery became the basis for a slew of electrical innovations. in physics, where he began researching a device that was becoming essential for electronic communications: the cathode-ray tube.Ĭathode rays- beams of high-speed electrons leaving a polarized, heated electric device in a vacuum tube-were first observed in 1869 by German physicist Johann Hittrof and named by Eugen Goldstein. In 1931, he went to Cornell to get his Ph.D. (While she preferred the ear trumpet, the amplifier worked.) Through high school and into undergrad at Furman University, Goldsmith became obsessed with electronics, especially crystal radio sets, a new technology that had just become popular. Goldsmith, born in 1910, got his start in electronics when he was only ten years old building an amplifier for his hard-of-hearing grandmother who was using an ear trumpet. Inc."It never registered that this would have been the first video game." View on eBay - DUMONT Type 294-A Cathode-Ray Oscillograph Operating Manual View on eBay - DUMONT Type 304-A & 304-AR Cathode-Ray Oscillograph Operating Manual View on eBay - Cathode-Ray OSCILLOGRAPH Type 304-AR Cabinet Mount Dumont Labs Ham Radio View on eBay - DUMONT Type 303-A Cathode-Ray Oscillograph Operating Manual View on eBay - Dumont oscilloscope 1938 BOOKLET WITH 12 PAGES OF VARIOUS MODELS.PRISTINE COND Dumont Labs Type 164 Oscillograph Oscilloscope Retro Old View on eBay - DUMONT TEST Probe 2 Meter Type 12001 View on eBay - Fairchild Dumont Type 401B & 401BR Oscilloscope Instruction Manual 6704 0891 View on eBay - Dumont Type 404 & 404-R Pulse Generators Operation Maintenance Manual 6702 8194 View on eBay - Fairchild Dumont Type 766H Series Oscilloscope Instruction Manual View on eBay - DuMont Laboratories Cathode-Ray Oscillograph Type 208-B 115/230V 90W View on eBay - Dumont Oscillograph Record Camera Type 302 View on eBay - Dumont Type 264-A Oscillograph Voltage Calibrator Test Equipment View on eBay - DUMONT Type 327 Cathode-Ray Oscillograph Operating Manual View on eBay - DUMONT Type 264-A Voltage Generator Operating Manual View on eBay - DUMONT Type 303 Cathode-Ray Oscillograph Operating Manual View on eBay - Dumont Cathode-Ray Oscilloscope Oscillograph UNTESTED View on eBay - ALLAN DuMONT TYPE 164-E OSCILLORAPH INDUSTRIAL SURPLUS GOOD View on eBay - DUMONT Type 297 Oscillograph Record Camera Operating Manual View on eBay - Dumont Cathode-Ray Oscilloscope Type 245 Serial 18 Type 245 Navy RARE View on eBay - DUMONT Type 241 Cathode-Ray Oscillograph Operating Manual View on eBay - DUMONT Cathode Ray Oscillograph Type 304-A Allen Dumont Clifton NJ | Powers On For any and all vintage electronic testing and measurement instruments be sure to check Vintage Test Equipment before you look anywhere else! Our site makes viewing and comparing everything that's available for sale as quick and easy as possible thanks to straightforward navigation coupled with excellent organization and categorization. Check out our awesome selection of vintage and antique equipment that we're able to offer you as a result of our association with eBay. From vintage electronic test equipment to electrical and optical measurement instruments of all types you'll find a really cool mix of tools and equipment from the mid-20th century and earlier here. Here at Vintage Test Equipment we specialize in offering an encyclopedic and impressively exhaustive smorgasbord of test and measurement instruments and related electronic equipment and tools from the good old days of electronics manufacturing. ![]() Check out our exciting selection and we're sure you'll agree! No matter what kind of vintage electronic tool or device you're trying to find you're sure to discover it here for a price that will make you happy. We offer an excellent selection of used and new old stock (NOS) Dumont test equipment that's affordably priced to fit the budgets of electronics hobbyists and vintage test instrument collectors alike. If you're looking for the absolute best selection of affordably priced vintage Dumont test equipment and electronics the place to be is right here at Vintage Test Equipment. Save on a Great Selection of Vintage Dumont Test Equipment and Electronics!
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