. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 36 BULLETIN 8*72, U. S. DEPARTMENT OF AGRICULTURE. RESULTS OK HEATING MILL NO. 3, One hundred per cent of insects were killed on the first to deck floors. In the basement 90 per cent were killed; the steam-pipe exhaust opened into a pit beneath the basement floor and this allowed the escaping steam to enter the basement and keep the air moist. Mill No. 4. Frame building; day (July 28, 1912) partly cloudy with light breeze; out- door maximum temperature 95° F.; outdoor minimum temperature 72° F. Heating system, steam
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 36 BULLETIN 8*72, U. S. DEPARTMENT OF AGRICULTURE. RESULTS OK HEATING MILL NO. 3, One hundred per cent of insects were killed on the first to deck floors. In the basement 90 per cent were killed; the steam-pipe exhaust opened into a pit beneath the basement floor and this allowed the escaping steam to enter the basement and keep the air moist. Mill No. 4. Frame building; day (July 28, 1912) partly cloudy with light breeze; out- door maximum temperature 95° F.; outdoor minimum temperature 72° F. Heating system, steam pipes along wall, steam pressure of about 80 pounds maintained during heating. Capacity, 1,000 barrels. first floor. Location and reading of thermometers.âNo. 1, hanging in the open, 5 feet high, 15 feet from steam pipes; No. 2, hanging in the open, 5 feet high, 18 feet from steam pipes; No. 3, resting on a roll in a roller, 12 feet from steam pipe; No. 4, in 2 inches of flour near floor, 5 feet from steam pipes; No. 5, in flour in a conveyor near floor, 20 feet from steam pipes; No. 6, hanging in the open 6 feet high. 20 feet from steam pipes. Table VII.âData showing rise in temperature on first floor. Time of day. July 28. 1912: 8a. 10a. 2 p. 4 p. 6 p. 8 p. 9p. p. m First floor: Capacity, 34,790 cubic feet; radiation 26,2 square feet. No. 1. F. 98 104 110 114 118 120 121 121 121 Thermometersâ ho. 2. o p 96 101 106 111 115 116 117 118 118 No. 3. No. SECOND FLOOR. Location and reading of thermometers.âNo. 1, hanging in the open, 5 feet high, 22 feet from steam pipes; No. 2, hanging in the open, 5 feet high, 18 feet from steam pipes; No. 3, in 3 inches of bran near floor, 5 feet from steam pipes; No. 4, in flour in an elevator boot resting on floor, 17 feet from steam pipes; No. 5, in an oven in a laboratory, 5 feet high and 3 feet from steam pipes; No. 6, in flour in an elevator boot resting on floor, 30 feet from steam
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