Monthly Archives: May 2018

Educational telegraph key, USSR

Posted on 07.05.2018 by R4NAF

Teaching telegraph key. There is such a telegraph key, produced by the USSR. The key has a convenient but not reliable adjustment, since screws are used in the adjustment with standard thread and pitch. There would be screws with a … Continue reading →

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Educational telegraph key, USSR

Posted on 07.05.2018 by R4NAF

Teaching telegraph key. There is such a telegraph key, produced by the USSR. The key has a convenient but not reliable adjustment, since screws are used in the adjustment with standard thread and pitch. There would be screws with a … Continue reading →

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