. Bulletin of the Department of Agriculture. Agriculture; Agriculture. CITY MILK PLANTS: CONSTRUCTION AND ARRANGEMENT. 15 and the milk spilled. A comparison of the economy of the three systems is shown in Table 2. Table 2.—Comparison of men and time required to receive and dump the milk and wash the cans at three different types of plants. Type of plant. A (pump).. B (conveyer) C (elevator). Number of plants. Average cans of milk per plant. 1, 845 825 Average time spent per plant. Hours. Average number of men per plant. Average hours of labor per plant. 3
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. CITY MILK PLANTS: CONSTRUCTION AND ARRANGEMENT. 15 and the milk spilled. A comparison of the economy of the three systems is shown in Table 2. Table 2.—Comparison of men and time required to receive and dump the milk and wash the cans at three different types of plants. Type of plant. A (pump).. B (conveyer) C (elevator). Number of plants. Average cans of milk per plant. 1, 845 825 Average time spent per plant. Hours. Average number of men per plant. Average hours of labor per plant. Average hours of labor per 100 cans re - ceived. Average time per 100 cans re- ceived. Hours. .58 .99 Average cans re- ceived and dumped per hour. 1" Fig. 4. -Gravity conveyers bringing cans of milk from trucks to power conveyer, which carries them to top floor where milk is dumped. From the data in this table it is apparent that the system of pump- ing the milk from the ground floor rather than elevating it in cans is much more economical in the use of labor. At these plants the pumping system was more than twice as efficient as the elevator and much more efficient than the conveyer system. The conveyer system, however, is more economical in the use of labor than the elevator system and requires only about one-half as many man hours to handle 100 cans of milk. Of course, other factors enter into this problem, but these figures will illustrate the general tendency. In some plants it may be necessary to have the receiving room on the top floor because of lack of space on the ground floor, but that is. 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 United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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