File:Mini Crystal Oven.jpg

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English: This miniature crystal oven was used to stabilize the transmitter crystal oscillator in a vacuum-tube Canadian Marconi mobile radio transceiver. It used 6 V DC power from the vehicle battery to keep the crystal at a constant 75 C temperature. The unit plugged into a standard octal tube socket.
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Author Wtshymanski

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11 February 2013

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current00:55, 13 February 2013Thumbnail for version as of 00:55, 13 February 20131,921 × 2,661 (376 KB)WtshymanskiUser created page with UploadWizard

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