Датотека:EB1911 Telegraph - Morse's Conduction Method.jpg
EB1911_Telegraph_-_Morse's_Conduction_Method.jpg (352 × 293 piksela, veličina datoteke: 15 kB, MIME tip: image/jpeg)
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Datum/vreme | Minijatura | Dimenzije | Korisnik | Komentar | |
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trenutna | 20:32, 8. mart 2016. | 352 × 293 (15 kB) | Library Guy | {{Information |Description ={{en|1=A circuit for wireless telegraphy: Morse showed, by experiments made in 1842 on a canal at Washington, that it was possible to interrupt the metallic electric circuit in two places and yet retain power of electric... |
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