double role, at its upper end, then running down to the base of the can be swung in against the heap, and who operate the that of elevating and subsequently of transferring windlass as required. Although the floats on the level frame, being contained within a gas pipe on its down- horizontally the… … which it will be observed can be drawn up as far as desired, or which can be low- hold the moving coal perfectly in place. Where it ele- is to be established upon ered, always closing the bottom of the trough for the vates the coal, troughs are provided. the pier. extent which may be used. The…
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