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

leaf 3

An illustration from Scientific American, Vol. 55, No. 20 (1886), 1886, leaf 3
that the end is the closely graded. The pan igformed of a flat plate, hav- same size as that of a single rail. The point of the ing down-turned aprons at the tail d head edges, the fence posts are placed in holes in the ends of the switch rail is beveled off from each side, so that it will and… … COOLEY’S RAILROAD FENCE, CULP’S .FROGLESS SWITCH. back ends of the mineral box and tailings box, which is supported beneath the tail edge of the pan, are con- post by nuts, and the blocks have eyes to receive the fit snugly against either the outer rail of the siding or nected by a conduit,…

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