Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 221
THE ROWING GEAR- oar in two parts, each part having a ball and socket-joint fastened onthe gunwale of the. boat The arrangement is such that the oarsman applies his strength tothe best mechanical advantage, and enables him 10 row faster and moreeasily than with the ordinary oar. The oars can also…
Children's literature
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