Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 104
e chamber of theouter easing is kept from communicating with the external air, as it is inspired, by a portion of theinternal revolving disk, which is made to work air-tight as possible in the outer casing. Here is exactlythe embarrassment of the arrangement, which imposes a higher cost upon the…
Mechanical engineering · Mechanics · Engineering
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