Dec. 15. 1914 



Expansion of Milk and Cream 



261 



that the relative volumes at other temperatures be given on the basis of 

 unit volume at this temperature. It was also suggested that for the 



-/O 



TO 



eo 



so 



■fO 



JO 



AO^ 



ws 



0.99 



033 



/.0£ /a/ /.OO 



SPECIFIC GRAVITY AT 35°j4°. 



Fig. I. — Specific gravity of milk and cream at 3$°!^" C. showing values of a and ^ * . 



convenience of those by whom the table would be used the temperatures 

 be given on the Fahrenheit scale, and that the densities at 20° C. in grams 

 per cubic centimeter be changed to specific gravities at 20° C. in terms of 



'Of 



/aj 



exsa 



O.S7 



/as /o/ /.oo 0.99 



SPECIFIC GRAVITY AT 35° 14". 



Fig. 2. — Specific gravity of milk and cream at 3S°/4° C. showin« relation between density and percentage 



of butter fat. 



water at that temperature as unity. These changes have accordingly been 

 made. 



'The specific gravity at 3s°/4° C. means the specific gravity at 3s' C. in terms of water at 4' C. as unity. 

 This is numerically the same as the density at 35* C. in gms. per c. c. 



