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Transmission Dynamometer

Leslie Graham Berry

URL	http://books.google.com.hk/books?id=4ocvQwAACAAJ&hl=&source=gbs_api

註釋

Leslie Graham Berry's 1900 thesis, "Transmission Dynamometer," contains 11 handwritten pages and four pages of drawings. The drawings include a view of the transmission dynamometer, a method of fastening the spring to the pulley, a method of fastening the spring to the disc, an arm for the springs, and detail of clock gear for the rotating prism.