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Henry Ward Poole (1825–1890) was an American surveyor, civil engineer, educator and writer on and inventor of systems of musical tuning. He was brother of the famous librarian William Frederick Poole, and cousin of the celebrated humorist, journalist and politician Fitch Poole. ==Biography== Poole was born 13 September 1825 in Salem, Massachusetts (renamed Peabody 1868), son of Ward Poole (1799–1864) and Elizabeth Wilder (1801–1864). He attended Leicester Academy, and Yale University in 1841 and 1842.〔His brother (William Frederick ) left Yale the same year due finances.〕 He worked up to 1850 at Newburyport, Massachusetts with organ maker Joseph Alley〔Joseph Alley (March 4, 1804-), originally from Kennebunk, Maine, worked at Brown's wharf, Newburyport, and included mention of the euharmonic organ in Newburyport directories around 1860. ("Organ-Building in New England" (1834) The New England Magazine, Vol. 6, March)〕 and minister Henry James Hudson (b. 1821-) developing a ''euharmonic'', or enharmonic organ which they patented and solicited by mail, and which was awarded a gold medal at the 1850 Exhibition of the Massachusetts Charitable Mechanic Association.〔Poole served on the Committee of Judges on musical instruments at the exhibition but didn't contribute to the recommendation of this prize. ''The Sixth Exhibition of the Mass. Charitable Mechanics Association,'' (1850) Boston. p. 134〕 It was installed at Indiana Place Chapel,〔Church of Disciples; James Freeman Clarke preached at this chapel (''The stranger's new guide through Boston'' (1869) A. Williams & Co., Boston)〕 Boston, Massachusetts and remained in use for fifteen years. Poole patented a special keyboard to be used with his extended tuning system in 1868. In 1851 and 1852 Poole assisted August A. Dalson under Pennsylvania state geologist Henry D. Rogers, based in Pottsville, on the state survey organized by ''Geological Society of Pennsylvania''. He remained in Pottsville afterwards working as an engineer, surveyor and commercial property agent. In 1856 he was engaged by the New York City based Mexican Pacific Coal and Iron Mines and Land Company to survey railway prospects between Veracruz and Mexico City. Following this he led an expedition through Guerrero exploring for iron and coal prospects, and returning to the United States publishing his topographical survey including four maps in 1858. He returned to Mexico in 1859 to teach modern languages at College of Mines, Mexico City, and acted as agent for the American Antiquarian Society, where he had continued his own studies after Yale, purchasing Mexican artifacts and literature for their collection. Poole died 22 October 1890 and is buried at (Mexico City National Cemetery ). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Henry Ward Poole」の詳細全文を読む スポンサード リンク
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