hine; and as this engraving shows every This enhanced cost falls with the most severe and para- part of the invention, we shall refer by letters to it. lyzing effect upon railroad building enterprises, and hence A represents the central pivot piece. It is prismatic in indirectly upon the general… … pivot piece, A, along the reversed inclined planes It really seems that, with our abundant supply MOTZ’S EXPANSIVE PIVOT. on it and the plates lying between it and the of coaland ore, lying close to the surface and so easily mined and brought together, we ought not only to be able to supply our own…
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