Telephones and telegraphs and municipal electric fire-alarm and police-patrol signaling systems, 1912
At head of title: Department of Commerce, Bureau of the Census Includes index A preliminary bulletin (Bulletin 123) was published during June, 1914 The statistics were collected and the report prepared under the supervision of Mr. William M. Steuart, chief statistician for manufactures. Mr. John W. Curry and Mr. W. A. Countryman assisted in the preparation of the text and analytical tables
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