RIPENING AND CHURNING CREAM, 



185 



cream. This is a slow process and taxes a 



person's patience. Several years ago I devised 



a cooler consisting of a series of pipes like a 



. single horizontal steam radiator. This is sus- 



GUBLBB'S CrECL'LATINO COOLBK. 



pended in the vat and worked mechanically up 

 and down ; at the same time cold water is run- 

 ning through it constantly. I believe this to 

 be the first circulating cooler used and it is not 



u 



