fected. But the purpose to which the material may 8th. On the shortest notice the propeller may be the tooth between the cogs the connection h-tiween be considered as more especially applicabje, is for the placed in a position to so oscillate that the vessel the wheel and the arm, B, is renewed,… … hung upon a horizontal axis if desired when one-half is found that the adamas bearing remains quite cool, requires oiling but once a day, and shows no appre- only is to be submerged. round on its own center. ciable signs of wear. Inthe position in question the The following advantages are claimed…
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