Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 154
by three screw-bolts, the latterbeing pinned on to the rudder-post. A rubber spring on the rudder-post is set between the shoulderand the cast-iron bottom plate let into the deck. A brass top plate is let into the keel, the tillerbeing fastened to the rudder-post by a screw-nut. The rudder-post is… … 1U ICE-YACHT.
Mechanical engineering -- Dictionaries
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