Category:Wireless telegraphy

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A 1921 photo of a tuned circuit on a powerful spark-gap radio transmitter from Australia

An older name for radio telegraphy

Pages in category "Wireless telegraphy"

The following 25 pages are in this category, out of 25 total.

Media in category "Wireless telegraphy"

This category contains only the following file.

Wireless Telegraphy spark gap transmitter for wireless telegraphy.png 476 × 599; 143 KB

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Telegraphy