MILLS AND FOOD MACHINERY 3! 



this way may be driven very fast for coarse grinding, 

 and is very convenient for preparing special mixtures 

 for poultry or for cooking purposes. A small bone 

 cutter may be operated in the same manner. 



Grit Pounders To keep poultry in thrift, and 

 furnish material for eggshells, lime is necessary, as we 

 have said. Oyster shells and clam shells are much 

 used. To pound these, a log of wood may be slightly 



FIG 39 : GRIT POUNDER 



hollowed at one end, and surrounded with a piece of 

 tin (Figure 39), an opening being left to admit the 

 handle of the pestle, which is like a wooden mallet, the 

 striking end being armed with small bolts, driven into 

 the wood so as to leave the heads exposed. A ring to 

 prevent splitting will be an improvement. 



Another style, good for crockery and glass, is 

 shown in Figure 40. Take a piece of railway iron 

 about two feet long, and make a box without top or 



