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 64
c. -F FIG. I.—LIGHTNING ARRESTE.R. FIG. 2.—COMBINED FUSE AND LIGHTNING ARRESTER. … FIG. 3.—MAGNETO BELL.
Telephone · Telegraph · Fire alarms
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