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Original file (2,022 × 2,683 pixels, file size: 1 MB, MIME type: application/pdf, 6 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
They were joined in 1921 by Eugene F. McDonald, [4] and Zenith Radio Company was incorporated in 1923. The fledgling company soon became known for its high-quality radios and electronic innovations. Zenith introduced the first portable radio in 1924, [ 4 ] [ 5 ] the first mass-produced AC radio in 1926, [ 5 ] and push-button tuning in 1927. [ 4 ]
The 1L6 was to be a specialty tube, produced in small quantities by very few manufacturers, mostly Sylvania for use by just a few manufacturers of shortwave portables, such as Zenith - in their Trans-Oceanics - and its short-lived rivals, such as the Hallicrafters TW-1000 and the RCA Strat-O-World and very few others. In fact, Zenith, Crosley ...
Zenith Data Systems Corporation (ZDS) was an American computer systems manufacturing company active from 1979 to 1996.It was originally a division of the Zenith Radio Company (later Zenith Electronics), after they had purchased the Heath Company and, by extension, their Heathkit line of electronic kits and kit microcomputers, from Schlumberger in October 1979.
A Trans-Oceanic model Y600. Shown on the left is a modern shortwave radio for comparison. The Trans-Oceanic (abbreviated T/O) was a brand of portable radios produced from 1941 to 1981 by Zenith Radio. They were characterized by heavy-duty, high-quality construction and their performance as shortwave receivers. [1] [2]
The Regency TR-1 story, based on an interview with Regency co-founder, John Pies (partner with Joe Weaver) "Regency's Development of the TR-1 Transistor Radio" website; Bryant & Cones (1995). The Zenith Transoceanic The Royalty of Radios. Schiffer Book for Collectors. Schiffer. pp. 110– 120. ISBN 0-88740-708-0.
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The Zenith MinisPort (styled as minisPORT) is a subnotebook based on an 80C88 CMOS CPU running at two software selectable speeds: 4.77 MHz or 8 MHz. It was released in 1989 by Zenith Data Systems (ZDS). It had 1 (model ZL-1) or 2 MB (model ZL-2) of RAM, ran MS-DOS 3.3 Plus from ROM, had a 640×200 LCD display and CGA and composite monochrome ...