SMALL TOOLS AHD 



sticks were fastened, are all broken off but one. To this 

 one the crank is bolted, as seen in figure 71. Four holes 

 are drilled through the rim of the reel-wheel, to which 



Fig. 71. GRINDSTONE FRAME. 



is bolted a hard wood board one inch thick, and having 

 a square hole half way through, in which the center 

 block fits. A bolt passes through a board block to a 

 strip of iron, which may be bent to form a crank for 



Fig. 72. CROSS-SECTION. Fig. 73. CENTER BLOCK. 



foot-power. A cross-section of the stone as hung is 

 shown in figure 72 ; the center block and board to which 

 it is fastened are seen in figure 73. This frame should 

 be bolted to a post or tree. 



