. Condensed milk and milk powder, prepared for the use of milk condenseries, dairy students and pure food departments. Condensed milk. Manufacturi: of Milk Powder 237 one-eighth of one inch apart and revolve in opposite directions. The milk reaches the drums from a supply tank located in the center above the drums. In order to insure a continuous and uniform supply of milk, a constant level of about four inches of milk is maintained in the supply tank. This process was invented by J. R. Hatmaker of London, and was patented in 1902. Its objectionable feature lies in the fact that the excessive
. Condensed milk and milk powder, prepared for the use of milk condenseries, dairy students and pure food departments. Condensed milk. Manufacturi: of Milk Powder 237 one-eighth of one inch apart and revolve in opposite directions. The milk reaches the drums from a supply tank located in the center above the drums. In order to insure a continuous and uniform supply of milk, a constant level of about four inches of milk is maintained in the supply tank. This process was invented by J. R. Hatmaker of London, and was patented in 1902. Its objectionable feature lies in the fact that the excessive heat at which the milk is evaporated impairs the solubility of the product. The cylinders are charged with two to three atmospheres of steam pressure, causing. Fig. 59. The Just-Hatmaker milk drier the heating surface to have a temperature of about 250 to 280 degrees F. The Ekenberg' Process.—This process was invented by Martin Ekenberg, of Stockholm, Sweden, in the year 1899, and is covered by a number of United States patents, one of the earlier of which is patent No. 764995, issued in 1904. The Ekenberg Exsiccator, or milk drier, consists of a revolving, steam heated nickel drum, inclosed in a vacuum chamber. The ends of the drum form bell-shaped bowls, dished outward. The drum is equipped with knives or scrapers, which remove the film of dried milk that gathers on the drum. Attached to the vacuum chamber there is a smaller chamber which serves to receive the dried milk. 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 Hunziker, Otto Frederick, b. 1873. La Fayette, Ind. , The author
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