American Blacksmithing, toolsmiths' and steelworkers' manual . f: Front view. _y ?^ b Side The 64. The granite bush hammer. 126 THE TWENTIETH CENTURY two bolts going through the blades and also throughthe hammer. The blades are taken out to sharpen, asshown at a, Fig. 64, the cutting edge of the blade,which consists of a very short level from each side, isforged or hammered to sharpen, while the corners areleft somewhat rounding, which keeps them from break-ing off, as shown in figure at b. When sharpening becareful to keep the blades perfectly straight and havethe cutting ed
American Blacksmithing, toolsmiths' and steelworkers' manual . f: Front view. _y ?^ b Side The 64. The granite bush hammer. 126 THE TWENTIETH CENTURY two bolts going through the blades and also throughthe hammer. The blades are taken out to sharpen, asshown at a, Fig. 64, the cutting edge of the blade,which consists of a very short level from each side, isforged or hammered to sharpen, while the corners areleft somewhat rounding, which keeps them from break-ing off, as shown in figure at b. When sharpening becareful to keep the blades perfectly straight and havethe cutting edge beveled equally from both sides, alsobear in mind that the blades should all be exactly thesame length after being sharpened and replaced inthe hammer, as illustrated by dotted line at c, other-wise should the blades be uneven the hammer will notdo good work, while the blades will have a tendencyto break at the cutting edge. In order to make the corners rounding when sharp-ening, strike a blow on the corners edgewise beforehammering on the beveled surface. Then the steel willbe refined and
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