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AWV 6AR7GT duo diode pentode (variable µ pentode).
This 'Super RADIOTRON' valve was made by the Amalgamated Wireless Valve Co. Pty. Ltd. of Australia and dates from around 1953. A typical use was as a second detector. The shield around the valve is made of lead. |
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This file was last modified
15:37:45, Saturday November 12, 2011