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Federal Communications Commission Engineering Department International Division, Maps of Radiotelegraph and Radiotelephone Circuits in Active Operation Between the United States and Territorial Possessions and Foreign Countries. [Washington, D.C.:] Federal Communications Commission, July 16, 1945.

Rare atlas of global telecommunications, issued on the day of the Trinity Test

A rare atlas of global telecommunications links between the United States and the rest of the world, issued at the very end of the Second World War. The Communications Act of 1934 codified the Federal Government’s power to regulate all wire-based and wireless communications and their corporate operators. Broadly speaking, the goals of the Act […]

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1946 map of AT&T overseas radio telephone network

The worldwide AT&T radio telephone network as of 1946

An unrecorded 1946 map depicting American Telephone and Telegraph (AT&T) plans for the expansion of its international radio telephone system.  Trans-oceanic telecommunications date back to the laying of the First Atlantic Cable in 1866. This was for decades restricted to telegraph service; the first trans-oceanic voice transmission was only accomplished in 1915, following Bell Labs […]

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Rand McNally & Co. / Citizens National Bank Charleston, W. VA., RAND McNALLY COMPLETE RADIO ATLAS OF THE UNITED STATES AND PRINCIPAL BROADCASTING STATIONS OF THE WORLD. Chicago: Rand McNally & Co., 1922.

The first American atlas of broadcast radio stations

Rand McNally’s Complete Radio Atlas (1922), a rare and invaluable resource for the uptake and distribution of the first broadcast technology. Per Wikipedia the earliest experimental broadcasts of music and talk intended for a wide audience took place in the United States in 1905-6. The spread of broadcast radio was slowed during the First World […]

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NavTech Navigable Map Database™ [:] A representation of the world’s highest quality navigable map database enabling turn-by-turn directions [:] Version 1.2. [Sunnyvale, California?]: Navigation Technologies Corporation, 1996.

Rare promotional map from a digital mapping pioneer

An early, impressive and unrecorded thematic map promoting Navigation Technologies Corporation, a pioneer in digital mapping.  Navigation Technologies Corporation was founded in 1985 in Sunnyvale, California by young engineers Barry Karlin and Galen Collins, with the intention of developing an automotive navigation system to emulate the presence of a human navigator riding shotgun (The inspiration […]

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LINES AND METALLIC CIRCUIT CONNECTIONS AMERICAN Telephone and Telegraph COMPANY 15 DEY STREET NEW YORK MAY-1900. [and on reverse: MAP SHOWING LINES OF THE SOUTHERN BELL TELEPHONE AND TELEGRAPH CO. CONNECTING WITH THE LONG DISTANCE LINES OF THE AMERICAN TELEPHONE AND TELEGRAPH COMPANY… JULY 1900. New York: American Telephone and Telegraph Company, 1900.

Unrecorded 1900 brochure with maps of the Bell System telephone network

An unrecorded 1900 promotional brochure with thematic maps of the American Telephone and Telegraph Company’s long distance network and Southern Bell Telephone Company local network. American Telephone & Telegraph (later AT&T) was established in 1885 as a subsidiary of Alexander Graham Bell’s American Bell Telephone Company, with the mission of developing the first commercially-viable long-distance […]

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