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 86
d, to whom thehandling of toll work is delegated. This operatorcalls the original subscriber and connects him to thetrunk line extending to the toll board. An incoming toll call is simpler, as it is unnecessaryto make a ticket. When an incoming call reaches thetoll operator, she connects herself,… … CHAPTEE IX.EMPLOYEES, SALARIES, AND WAGES. General statistics.—The rapid growth of the tele-phone industry between the years 1880 and 1902 isnowhere better exemplified than in the increase in thenumber of employees connected with it, although, asa matter of fact, the number per exchange in…
Telephone · Telegraph · Fire alarms
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