Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 693
tube, and a por-tion of the water from the juice passes off as vapor in the air. Degrands condenser serves the doublepurpose of a condenser and evaporator. There are only two of Degrands apparatus in Louisiana. They were constructed at the NoveltyWorks, Xew York, and are more commonly known as… … The Degrand apparatus in operation in Louisiana have vacuum-pans with a very large heating sur-face, and heated with low-pressure steam; the air-pumps are larger than those used in the Island ofCuba. The artificial draught of air is not made use of here, but the same result is obtained by the…
Mechanical engineering
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