Mill- (Did Cream 



29 



Inslallatioa of Foxlioro Rcoordiiii^ Thermometers on Hiirrell 

 continuous pasteurizer at the Turner Centre vSystem, Somer- 

 ville, Mass. The arrows indicate the hx-ation of the ther- 

 mometer bulbs. 



troller-recorder. The only way a superintendent can 

 clieck the etficiencv of his ])Lint is to keep a record 

 of the operations invol^iiiir teiuperatiire. The regti- 

 lations .set down by most Boards of Healtli require 

 that a i-ecord be kept each chiy sltowing tlie tempera- 

 ture at wliich the cream or milk is heated and the 

 time it was held at this temperature. 



Three thousand dollars were saved the first year 

 bj' one medium-sized daii-y after four recording 

 thermometers and two temperature controllers were 

 installed in the Pasteurizing Department. The in- 

 stallation paid for itself during the first two Greeks 

 of operation. 



Cooling 



After pasteurization, the milk should be cooled 

 rajiidly with a.s little contamination as possible, to a 



