Gerald Tyne Saga of the Vacuum July, 1943 Radio News
ID: 664811
This article refers to the component: To the tube/semiconductor
Gerald Tyne Saga of the Vacuum July, 1943 Radio News
04.Aug.24 18:16
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Pictured here are some of the many variations of the American Marconi Fleming valves.
This chart appeared in Gerald Tyne's Saga of the Vacuum Tube article in the July, 1943 Radio News magazine.
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