INSECT CONTROL IN FLOUR MILLS. 



35 



BASEMENT, FIRST, AND SECOND FLOORS. 



Location and reading of thermometers. — No. 1, hanging in the open, 5 feet 

 high ; No. 2, in flour in an elevator boot resting on floor ; No. 3, in flour in an 

 elevator boot resting on floor ; No. 4. in some bran in a roll, 12 feet from strain 

 pipes; No. 5, hanging in the open, 5 feet high, 10 feet from steam pipes; No. 

 6, in flour in an elevator boot resting on floor ; No. 7, hanging in the open, 5 

 feet high, 15 feet from steam pipes ; No. 8, in flour in a conveyor, 20 feet from 

 steam pipes ; No. 9, in 4 inches of flour near floor, 8 feet from steam pipes. 



Table V. — Data showing rises in temperatures in basement and on first and 



second floors. 





Basement: Capacity, 

 23,199 cubic feet; radia- 

 tion. 260 square feet. 



First floor: Capacity, 

 29,526 cubic feet; radia- 

 tion, 210 square feet. 



Second floor: Capacity, 

 27,417 cubic feet; radia- 

 tion, 168 square feet. 



Time of day. 



Thermometer- 





No. 1. 



No. 2. 



No. 3. 



No. 4. 



No. 5. 



No. 6. 



No. 7. 



No. 8. 



No. 9. 



Julv 27-28: 



9.30p. m 



11.30 p. m 



July ?8: 



6.30 a. m 



7.30 a. m 



9.30 a. m 



11.30 a. m 



12.30 p. m 



2.30 p. m 



4.30p.m 



5.30 t). m 



7.30 p. m 



9.30 p. m 



lip. m 



July 29: 



la m... 



°F, 

 113 

 112 



109 

 110 

 118 

 122 

 122 

 124 

 128 

 129 

 130 

 130 

 130 



°F. 

 104 

 102 



96 

 99 

 108 

 109 

 110 

 113 

 114 

 115 

 119 

 117 

 118 



120 

 122 

 122 



•F. 



102 

 102 



100 

 99 

 110 

 109 

 110 

 113 

 115 

 115 

 118 

 117 

 118 



ro 



122 



122 



°F. 

 110 

 113 



116 

 118 

 10 

 122 

 13 

 124 

 126 

 127 

 130 

 130 



°F. 

 118 

 121 



123 

 124 

 128 

 129 

 130 

 131 

 134 

 135 

 137 

 137 



°F. 

 105 



107 



110 

 110 

 113 

 114 

 115 

 116 

 119 

 120 

 123 

 123 



°F. 

 117 

 120 



126 

 126 

 130 

 131 

 132 

 133 

 136 

 137 

 138 

 138 



°F. 

 • 108 

 111 



114 

 116 

 117 

 119 

 131 

 122 

 125 

 127 

 128 

 128 



°F. 



109 

 112 



120 

 120 

 121 

 124 

 134 

 126 

 128 

 128 

 130 

 130 



134 

 136 

 136 

























4 30a m 



























THIRD FLOOR AND DECK. 



Location and reading of thermometers. — No. 1, in flour in a conveyor near the 

 floor, 20 feet from steam pipes ; No. 2, hanging in the open, 5 feet high, 12 

 feet from steam pipes ; No. 3, in a pile of flour on the floor, 10 feet from steam 

 pipes ; No. 4, hanging in the open, 5 feet high ; No. 5, in refuse flour on the 

 base of a dust collector near the floor ; No. 6, in flour 3 feet from the floor. 

 Table VI. — Data showing rise in temperatures on third flooi" and deck. 



Time of day. 



Third floor and deck: Capacity, 45,343 cubic feet, including 

 deck; radiation, 326 square feet; radiation, deck, none. 



Thermometer 



No. 1. : No. 2. 



No. 3. 



No. 4. 



No. 5. 



No. 6. 



July 27-28: 

 9.30 p. m. 

 11.30 p. m 

 6.30 a. m. 

 7.30 a.m. 

 9.30 a. m. 

 11.30 a. m 

 12.30 p. m 

 2.30 p. m. 

 4.30 p. m. 

 5.30 p. m. 

 7.30 p.m. 

 9.30 p. m. 



o p 



111 



113 

 118 

 119 

 122 

 124 

 125 

 128 

 129 

 130 

 132 

 132 



F. 

 121 

 122 

 128 

 130 

 132 

 136 

 137 

 139 

 141 

 142 

 142 

 141 



F. 



o p 



Ill 



123 



113 



124 



119 



130 



120 



131 



122 



134 



124 



138 



126 



138 



128 



141 



129 



143 



130 



144 



132 



144 



131 



143 



F. 

 113 

 115 

 120 

 122 

 123 

 127 

 128 

 133 

 133 

 134 

 136 

 136 



115 

 116 

 122 

 124 

 126 

 129 

 130 

 134 

 136 

 137 

 138 

 138 



