nt by the rails, B, from any gallery and for loading at any point, may and the lips, C. A por- be repeated indefinitely, so that the apparatus is tion of the front rail is adapted for mines having numerous galleries. The pivoted above the chute, hook, N, upon the raising of the elevator, unhooks D,… … Fig. 2 shows a modification of the elevator, by point of tilting, the which it can be made to traverse a shaft at any weight of the elevator angle, always retaining an upright position. This is shared by the lifting WILLIAMS'S ELEVATOR FOR MINES. is done by a yoke, shown in the dotted lines, which…
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