Woodwork for secondary schools; a text-book for high schools and colleges, prevocational and elementary industrial schools (1916)
Griffith, Ira Samuel, 1874-1924 · Peoria, Ill., Manual Arts Press · leaf 125
thebushing of bit to enter the boring mandrel. At the sametime the bushing of the chisel is inserted in the chiselmandrel. A screwdriver may be used to assist in work-ing the parts to position. By placing bushing, chisel andbit in position, one with reference to another, before in-sertion,… … Fig. 193.A—Fillet Cutter.B—Core-Box Cutter.C—Flat Groover. WOODWORKING MACHINES. 121 in a damaged bushing-, or, if the screw fails to rest uponthe flatted shank of the bit, in a failure of the bit to bore.(4) The chisel is held in place by the set-screw at y. (5)To set the chisel square, the fence…
Woodwork (Manual training)
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