Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 160
the submerged propelling-wheel, known as thescrew-iwopelltr, has been introduced within the last few years.The screw-propeller consists of a wheel resembUng in its formthe threads of a screw, and rotating on an axle. It is placed in the stem of the vessel, below the water-line, immediately in front… … The manner in which the screw-propeller acts in impelling the vessel for-ward, may be understood by supposing the wheel to be an ordinary screw,and the water surrounding it a solid substance. By turning the screw in onoduection or the other, it would move through the water, carrying the vesselwith…
Physics · Science · Technology
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
