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Hilborne Lewis Roosevelt (December 21, 1849 – December 30, 1886) was a pioneering organ builder, telecommunication engineer and a member of the Roosevelt family. ==Life== He was born in New York City to Silas Weir Roosevelt, a son of Cornelius Roosevelt and Mary West. He was thus a cousin of Presidents Theodore Roosevelt and Franklin D. Roosevelt. Roosevelt did not take to either business or politics, the traditional Roosevelt family occupations. Instead, he was musically and mechanically inclined and wanted to be an organ builder from early childhood, entering an apprenticeship at an organ factory. He later traveled to Europe for further training in the field. His relatives frowned upon a mechanical occupation, but when he began to make money, his family was reassured. Roosevelt was particularly interested in the electric action organ, and was one of the first to study the application of new electrical devices to the manufacture of organ actions. He took out the first patent in the United States for an electric action for the pipe organ when he was 20, and built the first electric action organ in the United States for the Philadelphia Centennial Exposition. Though primarily interested in the technical aspects, he had a good deal of business acumen as well, establishing factories in New York City, Philadelphia, and Baltimore. Hilborne founded the Roosevelt Pipe Organ Builders in 1870 with his brother Frank, and built some of the largest organs in the United States during his career. Roosevelt was also widely known among electricians for inventing several details of the telephone including the automatic switch-hook, for which he received royalties for many years, and held an interest in the Bell Telephone Company.〔 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「Hilborne Roosevelt」の詳細全文を読む スポンサード リンク
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