 | William Julian Evans - 1847 - 310 pages
...in the liquid, is kept constantly revolving ; so that by exposing fresh portions of the heated syrup to the action of the atmosphere at each succeeding...and a half to four hours, and the temperature of the syrup varies from 150° to 180°. From the principles on which this method of concentration are based,... | |
 | James Dunwoody Brownson De Bow, R. G. Barnwell, Edwin Q. Bell, William MacCreary Burwell - 1848 - 494 pages
...in the liquid, is kept constantly revolving : so that by exposing fresh portions of the heated syrup to the action of the atmosphere at each succeeding...and a half to four hours, and the temperature of the syrup varies from 150° to 180°. From the principles on which this method of concentration are based,... | |
 | James Dunwoody Brownson De Bow, R. G. Barnwell, Edwin Bell, William MacCreary Burwell - 1848 - 484 pages
...of the heated syrup to the action of the atmosphere at each succeeding revolution, the evnporation of the aqueous particles is rendered more rapid than...and a half to four hours, and the temperature of the syrup varies from 150° to 180°. From the principles on which this method of concentration are based,... | |
 | William Julian Evans - 1848 - 324 pages
...evaporation of the aqueous particles is rendered more rapid than it otherwise would be while the tempera ture is at the same time in a corresponding degree reduced....and a half to four hours, and the temperature of the syrup varies from 150° to 180°. From the principles on which this method of concentration are based,... | |
 | William Julian Evans - 1848 - 298 pages
...in the liquid, is kept constantly revolving; so that by exposing fresh portions of the heated syrup to the action of the atmosphere at each succeeding...rendered more rapid than it otherwise would be while the tempera ture is at the same time in a corresponding degree reduced. The time required to take off a... | |
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... shape of the vessel, and formed of a number of metal rods, so arranged that the evaporating surface given to the syrup is increased as much as possible. The wheel, half its circumference being immersed in the liquid, is kept constantly revolving ;... 