Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)
United States. Bureau of the Census, Steuart, William Mott, 1861-, Martin, Thomas Commerford, 1856-1924, Abbott, Arthur Vaughan, 1854-, Mayer, William · Washington : Govt. Print. Off. · leaf 152
ration, put them together. Hethen invented a language by which they could find expression. Up tohis time it is well known that there had been practically no telegraphiclanguage. Morse gave the alphabet of that language, and it is to-dayacknowledged and employed by all nations as the telegraph idiom… … A MAIN OPERATING TELEGRAPH ROOM.
Telephone · Telegraph · Fire alarms
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