Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 294
ling-point, which seems to be capable of useful application in many industriesrequiring a rapid concentration of dilute solutions without urging thetemperature. Such is especially the case in the manufacture of sugar;and accordingly it is stated that this apparatus has been extensivelyintroduced,… … 278 PARIS UNIVERSAL EXPOSITION. axis, and dipping into the liquid to be evaporated. These disks, or lenses,are constructed of thin metal, and are all in communication with eachother through the common axis, which is likewise hollow. The wholesystem is kept in slow rotary motion by some convenient…
Machinery · Scientific apparatus and instruments
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