62 THE BOOK OF BUTTER 



separator, were made by Olaf Ohlsson in 1892. Since 

 then many improvements have been made by employees 

 of the Vermont Farm Machine Company. The Sharpies 

 Separator Company of West Chester, Pennsylvania, began 

 manufacturing the Sharpies factory separator, as seen in 

 Fig. 19, in 1889. About this time the hand machine was 

 first made as seen in Fig. 20. In 1894 this company 



FIG. 20. The first Sharpies FIG. 21 . The first Sharpies tubu- 



hand separator. lar factory separator. 



manufactured the tubular bowl machine as seen in Figs. 

 21 and 22. The tubular machine was developed by 

 Herbert McCornack, P. M. Sharpies, and D. R. Sharpies, 

 in 1893 or 1894. At about that time D. H. Burrell and 

 Company began to manufacture the Simplex separator 

 with the link blade invented by Hoyt of that factory. 

 Since that time many companies have been organized 

 to manufacture cream separators, until now there are 



