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 651
deposit of such lightparticles as may possibly reach tbe top of the diaphragm, the nature of the second part of the in-vention consists in arranging an air-chamber within the diapln-agm at the top of the stack, whichchamber is ventilated or exhausted by means of tubes connecting that chamber with…
Mechanical engineering · Mechanics · Engineering
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