Vintage drawing of closed/open circuit line Morse code machine, from the end of 19th century

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Vintage drawing of closed/open circuit line Morse code machine, from the end of 19th century - Picture from Meyers Lexicon books collection (written in German language) published in 1908, Germany.

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Size: 4223px × 2030px
Photo credit: © Oprea Nicolae / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: aged, blueprint, circuit, closed, code, communication, design, detail, drawing, electric, line, machine, morse, open, receiver, representation, sketch, telegraph, tool, transmitter, vintage