20 



PATTERN MAKING 



or laps as they are called in carpentry., and also for working 

 lap joints, as shown in Fig. 81. 





Fig. 31. 



The skew-iron rabbet plane, in which the cutting edge of the 

 plane-iron is set diagonally across the face of the plane, works 

 much more smoothly and easily than one in which the iron is set 

 at right angles to the side of the plane. The improved rabbet 



Fig. 32. 



plane shown in Fig. 32 is fitted with depth gauge, and also with a spur 

 cutter, both of which are often of great convenience to the workman. 

 Rabbet planes are made in sizes ranging from \ inch to 1^ 

 inches in width. The 1-inch and l|-inch are convenient sizes fo, 1 

 general work. 



Fig. 33. Fig. 34. 



Round and Hollow Planes. These planes are illustrated in 

 Figs. 33 and 34. They are made of different curvatures, and a set 

 of assorted sizes, especially the round*, BIG almost indispensable 

 to the pattern maker for finishing semicircular core boxes, for 

 making fillets, and for working out curves of every description 

 both concave and convex. 



