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 60
als with those shown in Table 38, giving 677,864 miles of wire and 668,993telephones, produces some duplication, these figuresmay be accepted as an approximation of the ruraltelephone service. The rural substatiolis,. as shown in Table 38,aggregated 266,968, of which the commercial sys-tems… … FIQ. 1.—TRANSMITTER HEAD.
Telephone · Telegraph · Fire alarms
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