Quadrant telegraph by Breguet
Quadrant telegraph by Louis Francois Clement Breguet (1804-1883). Nineteenth century colored engraving
Picture No
11026385
Media ID
48551116
Size
4558px x 4396px
(7.2MB)
Credit
© Thaliastock / Mary Evans
Source
Thaliastock
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Breguet Clement Invent Quadrant Receiver Telegraphy
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