Category:Electrical telegraphy

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IEEE GHN Category

Pages in category "Electrical telegraphy"

The following 6 pages are in this category, out of 6 total.

B

Alexander Graham Bell

G

Frederic N. Gisborne

S

Werner von Siemens

T

W

Charles Wheatstone

Media in category "Electrical telegraphy"

The following 2 files are in this category, out of 2 total.

Electric Telegraph Military Beardslee Telegraph Attribution.jpg 495 × 561; 168 KB
Fig05-SiemensKarolusFacsimileSystem1927 0622.jpg 1,731 × 2,170; 584 KB

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Telegraphy