Category:Pointer telegraphs

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Svenska: Visartelegrafer
<nowiki>telégrafo de puntero; Zeigertelegraf; Pointer télégraphe; pointer telegraph; dispositivo electromecánico capaz de transmitir texto letra a letra a lo largo de un cable valiéndose de impulsos eléctricos; ein Typ von Telegrafen; type de télégraphe; type of telegraph</nowiki>
pointer telegraph 
type of telegraph
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  • 1839
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Media in category "Pointer telegraphs"

The following 9 files are in this category, out of 9 total.