in the frame in the boat bracket. These two rings con- must be turned to bring it from its original position of formed with rows of holes to provide for their respective stitute a fixture upon the oar, and are made as light as rest into position to release its bolt prong can be deter- adjustments… … BOYCE’S IMPROVED inverted plan view, the! drawbar. being connected with the car body and with its spring in the usual TOMPKINS’ IMPROVED OAR LOCK. manner. The drawhead is also formed with a hooked ordinary index and numbered dial may be employed, if prong extending upward and toward the rear from…
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-650-390.webp)
