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Radio Corp America 1943 vintage electrical ad RCA-2050 Thyratron tube

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<p>Original 1943 electrical trade vintage ad for<b><span style="font-size: 14px;">&nbsp;RADIO CORPORATION OF AMERICA.&nbsp;&nbsp;</span></b>(RCA).&nbsp;</p><p> Manufacturers of Electron Tubes.</p><p>RCA-2050 - the&nbsp;Thyratron that started a new trend in electronic control.</p><p>A&nbsp;Thyratron is a "trigger" tube - a grid-controlled rectifier, which can "switch" power from full OFF to full ON with a very small change in control voltage. The RCA-2050, announced in 1939, was a great step forward in&nbsp;Thyratron design because it combined unusually high stability and great sensitivity.</p><p>Unbound from a 1943 electrical engineering magazine, this unique old one-page advertisement would display beautifully matted and framed. Nice graphics.&nbsp;World War 2 propaganda. A fabulous addition to your retro electrical library.<br></p>
    • SKU zl510
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