80 



FARM APPLIANCES. 



striking hammer, drill and a bar for opening cracks in the 

 stone. The clipping hammer has a broad, sharp edge, 

 and acts as a chisel for dressing the faces ; and the sharp 

 edges of the rectangular head, two by four inches, serve 



Fig. 99. TOOLS FOB STONE WOEK. 



to dress down the edges and corners of the stones. The 

 wedge is three by one and a half inches, and the feathers 

 are plates of steel as wide as the wedge, which they serve 

 to protect. The striking hammer is three inches square, 

 and six inches long, with a beveled edge around the 

 face. The drill is of one and a quarter inch octagonal 

 steel, and is eighteen inches long, or if there be two, one 

 is twelve inches long. The bar is four and a half feet 

 long, and has a sharp-edged steel point for striking into 

 cracks and splitting the stone, which it is usually easy to 



Fig. 100. BKEAKING A LARGE STONE. 



do. A large stone is broken by drilling a few holes in it 

 with a one-inch drill, and chipping a groove across the 

 face along the line of holes, as shown in figure 100. Small 

 round wedges, with small feathers, are placed in each 

 hole, and they are struck one after the other, in rotation. 



