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 23
rular corrugation of the flexible diaphragm ; and thus a larger and more available range of movementwas obtained without danger of rupture. Fig. 30 is a half-size plan of the instrument as now made, un-der the superintendence of Mr. Dent; Fir 31 is a corresponding side elevation. The vacuum chamber…
Mechanical engineering · Mechanics · Engineering
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