12 



Bulletin 171. 



It is this concern that has been most strenuous as to the advan- 

 tages of dihition and their extravagant claims as published in 



Bulletin No. 151, 

 have been frequently 

 copied and adopted 

 bv the manufacturers 

 of the other stvles of 

 cans. It is the agents 

 of the Wheeler sepa- 

 rator, too, that we 

 have most frequently 

 heard of as claiming 

 a patent on the pro- 

 cess of dilution and 

 demanding a royalty 

 therefor. We are per- 

 sonally assured by 

 the manager however, 



5. — Wheeltr's Gravity Cream Separator. 



that they are not now claiming a patent on the process and are so 

 instructing their agents. 



Hunt's Creaming Can. 



The patent on this can is No. 619,753 and it was granted Feb. 

 21, 1899, to Henry S. Hunt, Cato, N. Y. Its essential features are 

 shown in the following extract from the specifications and the claim 

 in full : 



" In operation my invention of improved creaming-can is used as 

 follows : Equal quantities of milk and water are placed in the vessel 

 A, being run through a straining cloth secured over the top of the 

 can, and the mixture is permitted to stand in the vessel A until the 

 cream rises thereon, during which time the cap C is held in the 

 position shown in Fig. 2, where the wire-cloth c is elevated above 

 the tube B, so as to permit the free j^assage of air through said tube 

 B for the purpose of providing a sufficient draft to carry off any 

 deleterious gases which might arise from the milk and water, or 

 which might otherwise be permitted to contaminate the cream." 



" Having described my invention, what I claim as new, and desire 

 to secure by Letters Patent, is — 



