14 



Bulletin 171. 



It will be noticed that nothing whatever is said in the claim as to 

 dilution and that the peculiar feature of the can rests in the '"' ven- 

 tilating" tube passing through the middle of the can. This feature 

 in actual practice has not only proved to be of no advantage but is 

 a decided nuisance in washing and handling the can. 



Rosback's Ckeam Separator. 

 This is a can patented by Joshua A. Rosback, Hermon, N. Y. 

 The patent is No. 624,100 and was granted May 2, 1899. As will 



7. — Rosback' s Cream Separator. 



be seen by the extracts below, while dilution is recommended, the 

 claim for the patent covers only the form of the strainer over the 

 port to the faucet. 



