Telephones and telegraphs and municipal electric fire-alarm and police patrol signaling systems. 1912
Book digitized by Google from the library of the University of Wisconsin - Madison and uploaded to the Internet Archive by user tpb. At head of title: Department of commerce. Bureau of the census. Wm. J. Harris, director 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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