JOSEPH HENRY - AUTOGRAPH LETTER SIGNED 09/26/1891 - HFSID 2157
Sale Price $680.00
Joseph Henry writes a letter saying that he is giving permission for a catalogue to be published of all the species of American chilopods in the collection.
Autograph Letter signed: "Joseph Henry" as Secretary of the Smithsonian, 1p, 8x10½ front and verso. Washington, D.C., 1861 September 21. To H. C. Moog , no place. In full: "In answer to your request for permission to publish a catalogue of all the species of American chilopods in the Smithsonian collection, I write to say that the permission is cheerfully given it being understood that full credit is to awarded to the Institution for the facilities rendered through you to science. You will find an exposition of the policy of the Institution in regard to its collections and the advances of natural History in the report of the Regents for 1860, just published by the government, pages 44 and 48 of my report. I shall direct that a copy of this report be sent to you by mail as soon as we can find someone to give us a frank. I regret that I had not an opportunity to see you longer into Germantown. I was unwell the morning you called on me and not in a proper condition for conversation. I remain very truly yours," Joseph Henry (1797-1878), a physicist and scientific administrator, discovered electromagnetic induction and self-induction. He is also credited with the invention of the electric motor (1829) and later invented low-resistance and high-resistance galvanometers. In 1893, his name was given to the standard electrical unit of inductive resistance, the henry. In 1846, Henry became the first Secretary of the newly organized Smithsonian Institution, where he established a continuing tradition of research. Under his leadership, weather reporting stations were connected by telegraph in the U.S. In the spring of 1863, Henry was one of the founding members of the National Academy of Science and served as Academy President from 1867. He was both President of the National Academy of Science and Secretary of the Smithsonian Institution until his death. Alexander Twillingdeveloped the first commercially viable ice-making machine in 1856. Slightly soiled. Vertical fold crosses "Jo" of Joseph. Fragile. Encapsulated. Writing bleeds through paper. Overall, fine condition.
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