350. [2 pieces] Henry, Joseph. RESEARCHES IN SOUND: With Special Reference to Fog-Signaling. [Conducted in the Service of THE UNITED STATES LIGHT-HOUSE BOARD, by Joseph Henry During the Years 1865 to 1877].
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350. [2 pieces] Henry, Joseph. RESEARCHES IN SOUND: With Special Reference to Fog-Signaling. [Conducted in the Service of THE UNITED STATES LIGHT-HOUSE BOARD, by Joseph Henry During the Years 1865 to 1877].
350. [2 pieces] Henry, Joseph. RESEARCHES IN SOUND: With Special Reference to Fog-Signaling. [Conducted in the Service of THE UNITED STATES LIGHT-HOUSE BOARD, by Joseph Henry During the Years 1865 to 1877]. Annual Report of the Board of Regents of the Smithsonian institution…. GPO. 1878. 575 pp. Included in this Annual report is the comprehensive report by Prof. Henry, detailing the extensive experiments conducted in an effort to improve the fog signaling in the United States . Includes details of full size experiments conducted at Block Island, RI., Little Gull Island in Long Island Sound and at various locations in Maine. (pp. 455-559). Report also includes a Biographical Memoir of Joseph Henry by Prof. Asa Gray (pp. 143-177), and in addition Henry and the Telegraph by William B. Taylor (pp. 262-360). Known for his stewardship of the famed Smithsonian Institution, Professor Henry also served in many other capacities. One post of which Mr. Henry was most proud was his association with the Light-House Board. From 1871 until his death. Mr. Henry served as Chairman of that Board. Throughout his life he studied and made contributions to the sciences, particularly in the areas of sound propagation and the improvement of fog signals. Illustrated with a few diagrams, this is a most important and scarce work on the subject. Complete report, contents overall clean save light age toning. Green government wraps with moderate wear and soiling, hinges intact but worn. Also included is an original steel engraving disbound from Appleton’s Annual Cyclopedia and Register of Important Events of the Year 1878 and published in 1879. It consists of one page of double-column text with one full page steel engraved portrait of Professor Henry with tissue guard still attached. Page size is about 6 ½” x 9 ½” and is in clean, near fine condition. (VG-). $88.