Gage to the required depth on both edges with the marking-gage.
The marking-gage, Fig. 211, consists of a head or block sliding on a beam or bar, to which it is fixed by means of a set-screw.
First mark the width on the working face with the marking-gage, C, 1-2, Fig. 103.
The cutting-gage, Fig. 216, is similar to a marking-gage, except that it has a knife-point inserted instead of a spur.
Mark the thickness with the marking-gage all around the piece, F, 8-9-10.