Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 476
s represented in Fig.1328 Tho vessels are provided with two cast-iron crosses dd and ee, joined by the wrought iron bars ELEVATORS. 467 //. The cross-arms form diagonals of the squares, and are at their ends provided with rollers gggg,grooved at their periphery, to fit the rectangular rails ft ft… … resting on the lower cross. The square marked k k, Fig. 1328, signifies the upper face of a pedestal. Toeach of the frames is fixed the chains 11,11. The other ends of the chains pass round the cast-iron wheelm m and are fastened. The wheels are fixed on the shaft n n, to the middle of which a…
Mechanical engineering
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