vacuum pan

American  

noun

1. a vessel equipped with a vacuum pump used for rapid evaporation by boiling a substance at a low temperature under reduced pressure.

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Example Sentences

The original vacuum pan used by Gail Borden in 1853 for condensing milk by concentrating it in a vacuum.

From Agricultural Implements and Machines in the Collection of the National Museum of History and Technology Smithsonian Studies in History and Technology, No. 17 by Schlebecker, John T.

This condition is reached either by adding sugar and so increasing the soluble solids, or by driving off the water by evaporation, preferably in a vacuum pan.

From Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying by Russell, H. L. (Harry Luman)

Borden's vacuum pan of 1853, used to make condensed milk.

From Agricultural Implements and Machines in the Collection of the National Museum of History and Technology Smithsonian Studies in History and Technology, No. 17 by Schlebecker, John T.

The sirup swung from the same is used in next and following operations; when it becomes too thick it is sent to the vacuum pan to be regrained.

From Scientific American Supplement, No. 832, December 12, 1891 by Various

The process of cleaning has now been completed, and the sirup is pumped into the covered vessel previously alluded to, called the vacuum pan.

From Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. by Various