Image: Foy-Breguet telegraph display
Size of this preview: 800 × 497 pixels. Other resolutions: 320 × 199 pixels | 952 × 592 pixels.
Original image (952 × 592 pixels, file size: 245 KB, MIME type: image/jpeg)
Description: Display of Foy-Breguet telegraph
Title: Foy-Breguet telegraph display
Credit: Shaffner, Taliaferro Preston, The Telegraph Manual, Pudney & Russell, 1859.
Author: unattributed engraving
Usage Terms: Public domain
License: PD
Attribution Required?: No
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