Census of Electrical Industries, 1917: Telephones |
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amount Arizona Bell System Bell Telephone System Bureau capital census Class December 31 deductions Delaware District of Columbia dividends East North Central East South ELECTRICAL INDUSTRIES Estimated number expenses farmer or rural funded debt geographic divisions included incomes of less increase inquiry Interstate Commerce Commission line or system lines and systems Male Maryland messages or talks Middle Atlantic miles of wire Montana nonoperating North Carolina North Dakota number of employees number of exchanges number of messages number of miles number of public Number of systems number of telephones overhead Pacific panies phantom circuit population private-branch exchanges public exchanges reporting annual incomes Rhode Island rural lines salaries and wages schedule secured shown small systems South Atlantic South Carolina statistics systems and lines systems having annual systems reporting annual Table tele telegraph telephone companies toll circuits toll messages total number United West North West South West Virginia wire mileage wire reported