370 



COMB FOUNDATION. 



a number of Apiarists. As it is the easiest working of all 

 foundation-machines, a great many, who could not suc- 

 ceed in making foundation on the mills, succeeded on this 

 press. Another advantage claimed for it, is that it can 

 make foundation in wired-frames by pressing it right over 

 the wires. But a press has the disadvantage of lea\ing in 

 the sheets all the irregularities, which they may have, when 

 dipped ; while in the roller-mills, these irregularities are 

 "laminated out." Hence, pressed-foundation can never be 

 as regular as rolled-foundation. 



683. Plaster moulds and other utensils have been tried 

 for foundation-making, but these cheap implements are 

 almost entirely discarded. 



Fig. 116. 

 THE DUNHAM MILL. 



684. The Root-mills, — the most practical — have been 

 improved upon in different ways, by C. Olm, by Mrs. Dun- 

 ham of Wisconsin, and by J. Vandervort of Pennsylvania. 

 The latter gentleman, one of America's eminent machinists, 

 makes most superior mills for any grade of foundation. 



