p, these tanks to be 16 feet high, 8 feet above and 8 feet that the latter would fulfil the necessary requirements. the bucket by which the wheel is driven. The force due An application for a patent is pending by to deflecting and returning the column of Mr. Henry R. A Boys, of Barrie, Ontario… … these kinds »f apparatus served, equally to the sand bag used by the same sort of BOYS' HYDRAULIC PROPELLER. show the iSastantaneoua transmission, of the scoundrels ia New York. The sand club is 11873 SCIENTIFIC AMERICAN, INC
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