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Scientific American, Vol. 55, No. 20 (1886) (1886)

leaf 4

An illustration from Scientific American, Vol. 55, No. 20 (1886), 1886, leaf 4
frame is a T-piece fitting draught. The runners are turned up in front as usual, ‘and are fitted with suitable metal shoes, which are in a flanged guide attached to the keel for holding the made of tapering width on their bases and with shelv- propeller in proper position. When not in use, the ing… … tionof the shoes reduces the friction. and allows the oo rear end of the sleigh to sink somewhat, and so prevent ' REVOLVING TARGET, ADAMS’ The revolving target herewith illustrated is sleigh can also be turned easier, and will keep to the rapidly extending to the grinding surface. The ap- the…

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