. Dairy technology; a treatise on the city milk supply, milk as a food, ice cream making, by-products of the creamery and cheesery, fermented milks, condensed and evaporated milks, milk powder, renovated butter, and oleomargarine. Dairying; Milk; Dairy products. ICE-CREAM MACHINERY 169 Ice Crusher. — This is a great labor-saving device and is indispensable where large quantities of ice are crushed. The machine breaks the ice into pieces of a more uniformly small size than can possibly be done by hand with an ax or stomper. Homogenizer. — This is one of the latest inventions in ice-cream machin
. Dairy technology; a treatise on the city milk supply, milk as a food, ice cream making, by-products of the creamery and cheesery, fermented milks, condensed and evaporated milks, milk powder, renovated butter, and oleomargarine. Dairying; Milk; Dairy products. ICE-CREAM MACHINERY 169 Ice Crusher. — This is a great labor-saving device and is indispensable where large quantities of ice are crushed. The machine breaks the ice into pieces of a more uniformly small size than can possibly be done by hand with an ax or stomper. Homogenizer. — This is one of the latest inventions in ice-cream machinery. As its name indicates, it is a ma-. FiG. 40. — A six-cylinder Progress homogenizer. chine for converting liquids such as cream into a homo- geneous mass. This is accomplished by breaking the fat globules into such line particles that they are unable to rise to the surface, but remain incorporated in the liquid. The machine consists of a pump or a series of pumps which discharge the liquid against the homogenizing valve. This latter may be compared to a safety valve which blows off at a pressure of from 2000 to 3000 pounds per square inch. The valve disk is made of agate and closes per-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Larsen, C. (Christian), 1874-; White, William M. joint author. New York, Wiley
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1913
