EXPERIMENT STATION BULLETINS. 

 TABLE V. (Over copper.) 



273 



Sample. 



Date 



Began milking at 



Completed milking at 



Began aerating at 



Completed aerating at 



Began pumping at 



Completed pumping at 



Barometric pressure in mm 



Temperature of water in tank 



Total gas in c. cm 



Free carbon dioxide in c. cm 



Per cent, carbon dioxide 



Free oxygen in c. cm 



Per cent, of oxygen 



Residual gas in c. cm 



Per cent, of residual gas 



Amount of milk aerated 



Extent of surface approximately 



Dec. 10th. 

 7:30 a. m. 

 7:40 a. m. 

 7:45 a. m. 

 8:40 a. m. 

 9:40 a.m. 

 10:40 a. m. 

 690.632 

 38° 

 .6349 

 .136 

 21.43 

 .205 

 32.34 

 .293 

 46.23 

 1L. 

 2k inches. 



II. 



Dec. 12th. 

 7:35 a. m. 

 7:45 a. m. 

 7:48 a. m. 

 9:00 a.m. 

 9:30 a. in. 

 10:30 a. in. 

 696.937 

 37.5° 

 5.0379 

 2.638 

 52.25 

 .725 

 14.41 

 1.679 

 33.34 

 1 L. 

 \l inches. 



111. 



Dec. 19th. 

 7:50 a. ni. 

 H:00a. m. 

 8:10 a.m. 

 9:10 a.m. 

 9:35 a. m. 

 10:35 a. in. 

 696.937 

 37.6" 

 3.4637 

 1.516 

 43.79 

 .588 

 16.99 

 1.358 

 39.22 



i L. 

 .', inch. 



IV. 



Dec. 24th. 



7:30 a. m. 



7:45 a. m. 



7:55 a. m. 



8:55 a. m. 



9:25 a. m. 



10:25a. in. 



686.632 



38° 



4.4236 

 1.837 

 41.54 

 .589 

 13.33 

 1.99 

 45.13 

 J L. 

 l.'i inches. 



V. 



Dee. 26th. 

 7:35 a. m. 

 7:50 a. in. 

 8:00 a. m. 

 9:00 a. m. 

 9:30 a. m. 

 10:30 a. m. 

 690.632 

 37.8° 

 3.4411 

 1.8110 

 52.63 

 .3169 

 9.21 

 1.3131 

 38.16 

 1 L. 

 1.1 inches. 



TABLE VI. (Through glass wool.) 



Sample. 



Date 



Began milking at 



Completed milking at 



Began aerating at 



Completed aerating at 



Began pumping at 



Completed pumping at 



Barometric pressure in mm 



Temperature of water in tank — 



Total gas in c.cm 



Free carbon dioxide in c.cm 



Per cent, of carbon dioxide 



Free oxygen in c.cm 



Per cent, of oxygen 



Residual gas in c.cm 



Per cent, of residual gas 



Amount of milk aerated in c.cm. 



Nov. 11th. 

 7:40 a. m. 

 7:50 a. m. 

 8:30 a. m. 

 9:30 a. m. 

 9:45 a. m. 

 10:45 a. in. 

 722.3932 

 22.8° 

 4.0405 

 .5385 

 13.33 

 1.0771 

 26.66 

 2.4247 

 60.01 

 560. 



II. 



Nov. 25th. 

 7:35 a. m. 

 7 :45 a. m. 

 8:00 a.m. 

 9:00 a.m. 

 9:25 a. m. 

 10:25 a. m. 

 690.632 

 37.8° 

 2.5399 

 .5440 

 21.42 



.7711 

 30.36 

 1.2247 

 48.22 

 600. 



III. 



IV. 



Nov. 26th. 

 7:25 a. in. 

 7:35 a.m. 

 7:45 a. m. 

 8:45 a. m. 

 9 :30 a. m. 

 10:30 a. m. 

 697.265 

 38.5° 

 4.9704 

 1.5810 

 31.81 



.9940 

 20.00 

 2.3952 

 48.19 

 750. 



Dec. 27th. 

 7:45 a. m. 

 7:55 a. m. 

 8 :00 a. m . 

 9:00 a. m. 

 9:35 a. m. 

 10:35 a. m. 

 694.632 

 38° 

 5.4427 

 1.9952 

 36.66 



.8844 

 16.25 

 2.5629 

 47.09 

 1.050 



35 



