178 AMATEUR RODMAKING 



Fig. 54. Depth and Taper Gauge. 



for twenty-five cents. The cross-plate (D) 

 may be of any convenient thickness. In its 

 center drill a hole (E) and thread this to take 

 the set-screw (F). The screw may also be 

 had at hardware shops. 



The width of the device from C to C must 

 correspond with that of the center gauge, 

 which, when in place, may be pushed up or 

 down without side play. Push the center 

 gauge under the cross-plate and turn down the 

 set-screw when the point of the gauge is ex- 

 actly flush with the proper end of plate A. 

 Then mark across the strip C at G and exactly 

 in line with one of the quarter-inch marks on 

 the gauge. It will readily be seen that when 

 the mark G is opposite the next quarter-inch 

 line on the gauge, the point of gauge will pro- 

 trude just Y^ inch. If the lower end of plate 



