Michiel 2005's photos with the keyword: morse
Telegraph with Morse system
21 Feb 2021 |
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From: Louis Thomas, Kosmos für die Jugend: Die Denkwürdigsten Erfindungen Im neunzehnten Jahrhundert (1877)
Hamburg 2019 – Cap San Diego – Radio room
Practising morse code
30 Apr 2009 |
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Very handy if you are a German spy.
From the book Radio voor amateurs of 1926. Originally an English book by Michael Egan, translated/reworked into Dutch by ir. W. Harmsen.
Five girls and one bell
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