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Scientific American, Vol. 54, No. 22 (1886) (1886)
leaf 4
and as the tympan is lift the strap to remove the cop or insert a fresh one. the spokes of the loose wheel, Fig. 2, and cause it to be carried around with the shaft. To theinner end of the raised by the bars at the same time that it is being This invention has been patented by Mr. Robert . Shand,… … backward movement of the wheel ‘cause telescopes were then being made everywhere. ean be checked by the brake, © 1886 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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