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 192
ing the longitudinal and working surface, and which may be covered with any kind of materialthat will make it rough and durable. Air is let into the cylinder, the best at the lower end, throughequidistant holes around the centre, and the quantity gaged by a circular revolving slide, and… … pulleys, as is represented at the bottom of Fig. 682; and the bridge and oilpot for the point and step,and the fixture for supporting the upper journal-box-of the shaft, are cast in a piece with their respec-tive heads of the outer shell, thus rendering this part of the machine perfect. The inner…
Mechanical engineering
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