G. Marconi, the genius of wireless telegraphy
3/4 lgth., seated, facing left; at desk. Stereo copyrighted by Underwood & Underwood. This record contains unverified data from caption card. Caption card tracings: Photog. I.; BI; Shelf.
Bacon's chart of the Atlantic Telegraph : containing a history of tele...
Includes text, diagrams, and an ancillary map of "Map Showing the Proposed Ocean Telegraphs and Overland Route Round the World." Available also through the Library of Congress Web site as a raster image. Stampe... More
Bird's-eye view from De Forest Wireless Telegraphy Tower, 300 feet hig...
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Puck magazine cover - "Wireless telegraphy" / Dalrymple.
Print shows John Bull labeled "England" standing on a rock labeled "South Africa", holding a sword in one hand and a British flag labeled "Good Will" in the other; he is looking back at Uncle Sam who is standin... More
"Wireless telegraphy" / J.S. Pughe., Political Cartoon
Illustration shows George F. Hoar sitting on the U.S. Capitol dome using a telegraph to send a "wireless" message "Keep it up! We are with you!" across a body of water to the insurgent forces fighting against A... More
U.S. Naval Academy, Annapolis: experiments in wireless telegraphy
Title and other information transcribed from unverified, old caption card data and item. Frances Benjamin Johnston Collection. Caption card tracings: Boats...; Telegraph; Artillery; Military education; Pres. I.... More
Aviators practicing telegraphy - Glass negative photogrpah. Public dom...
Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description
Wireless telegraphy kite, Waldon Fawcett photo, Washington DC
2 men with trapezoidal kite; another man stands beside spool of wire. Photo copyrighted by Waldon Fawcett. This record contains unverified, old data from caption card. Caption card tracings: Shelf.
![Deep sea telegraphy. Comparison between the cable submerged from Ireland to Newfoundland in 1866 by the Telegraph construction and maintenance company, and that proposed on Allan's principle for the same distance and depth ... [n. p. 1866].](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NjYvMDEvMDEvZGVlcC1zZWEtdGVsZWdyYXBoeS1jb21wYXJpc29uLWJldHdlZW4tdGhlLWNhYmxlLXN1Ym1lcmdlZC1mcm9tLWlyZWxhbmQtdG8tMTAyNC5qcGc%3D/40/66/webp "Deep sea telegraphy. Comparison between the cable submerged from Ireland to Newfoundland in 1866 by the Telegraph construction and maintenance company, and that proposed on Allan's principle for the same distance and depth ... [n. p. 1866].")
Deep sea telegraphy. Comparison between the cable submerged from Irela...
Telegraphy. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 236, Folder 6.
![Deep sea telegraphy. Comparison between the cable submerged from Ireland to Newfoundland in 1866 by the Telegraph construction and maintenance company, and that proposed on Allan's principle for the same distance and depth ... [n. p. 1866].](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NjYvMDEvMDEvZGVlcC1zZWEtdGVsZWdyYXBoeS1jb21wYXJpc29uLWJldHdlZW4tdGhlLWNhYmxlLXN1Ym1lcmdlZC1mcm9tLWlyZWxhbmQtdG8tMS0xMDI0LmpwZw%3D%3D/40/66/webp "Deep sea telegraphy. Comparison between the cable submerged from Ireland to Newfoundland in 1866 by the Telegraph construction and maintenance company, and that proposed on Allan's principle for the same distance and depth ... [n. p. 1866].")
Deep sea telegraphy. Comparison between the cable submerged from Irela...
Telegraphy. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 236, Folder 6.