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MORSE ELECTRIC PRINTING TELEGRAPH, 1882.
Morse electric printing telegraph, c1882. Front view of the instrument showing the roll of paper for recording messages and the transmitting key at A. D are wet cells (batteries) providing electricity. (KEYSTONE/HERITAGE IMAGES/Oxford Science Archive)
Instruktionen
COPYRIGHTPFLICHTIG
Lizenz
Rights Managed
Erstellungsdatum
18820101
Ort
Credit
KEYSTONE
Source
HERITAGE IMAGES
Byline
OXFORD SCIENCE ARCHIVE
Grösse
3833 x 2732 px
Dateityp
JPEG