Pointer telegraph, 1941
A pointer telegraph developed by Werner von Siemens in 1847. About six characters were transmitted in a minute, which were marked by the rotating pointer
Picture No
10515803
Media ID
48019479
Size
2741px x 2756px
(1.2MB)
Credit
Mary Evans / SZ Photo / Scherl
Date
1941
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1847 Computing Developed Minute Pointer Rotating Siemens Transmitted
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