Title (de)
Telegraphie
Language
German
Description (de)
Telegraphie
Author of the digital object
Franz Sachslehner
Two-channel telegraph register
o:725769
17.04.2018
17.04.2018
Morse key
o:725763
17.04.2018
Morse telegraph machine
o:725770
17.04.2018
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https://phaidra.univie.ac.at/o:725264 - Content
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