These planes are illustrated in Figs. 33 and 34. They are made of different curvatures, and a set of assorted sizes, especially the rounds, are 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.

Round And Hollow Plane 100133

Fig. 33.

Round And Hollow Plane 100134

Fig. 34.