Manual No. 3. Electrical Instruments and Telephones of the U.S. Signal Corps. Prepared under the Direction of Brigadier-general A.W. Greely. Revised 1905.
Washington, Government Printing Office, 1905. Orig. full cloth. Spine and upper cover with gilt lettering. A paperlabel pasted on top of spine. Stamps on title-page. 316 pp., 220 textillustrations. Clean and fine.