keys, d. and their opposite sides are cut in the same other end, to fit into the circular seat of the N. Y., have taken measures to secure a pat- next plate, each pair of plates being united ent for an improved method of constructing together by a vertical key, 6, passing through burden cars, and… … locomotives. spokes, F, upon a board, A, provided with Many spokes may be operated upon at the short distance from the front of the board same time, according to the size of the ma- More information may be obtained by letter - ledges, B B, an adjustable gauge block, 2, plate, somewhat higher than…
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