on of a wheel with this device attached. The two ends of the tire to be joined are provided with two right angular pieces of metal, A, welded to the tire, as shown in the engraving. A screw bolt passes from one of these angular pieces, or blocks, through ment which had been paid to his scientific… … buildings, has been invented in England. It cannot be bet- 'sumes a red tinge, similar.te the red oxide of copper. When his enlightened encouragemont o! scientific pursuits and pub- ter explained than by quoting the description given by Mr. sufficiently covered, the article is rubbed in saw dust,…
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