18 gauge. With carbon paper trace the design on
the brass. Place the metal on the pitch bed and work over the
outline of the design. Use the chisel-edged tool and try to make
the lines continuous. When this has been done, heat the pitch
slightly
[Illustration: Working Out The Design]
and place the metal, design down, on the pitch, and with the
raising punches work up the shape as desired after the pitch has
hardened. When the desired form has been obtained, turn the metal
over and "touch up" any places improperly raised. The metal will
probably be warped somewhat. To remedy this, place a board on the
metal and pound until the metal assumes a flat shape again. Next
drill a hole in the center waste and saw out for the opening,
using a small metal saw. Trim up the edges and file them smooth.
Clean the metal thoroughly, using powdered pumice with lye. Cotton
batting fastened to the end of a stick will make a good brush.
Upon the cleansed metal put a lacquer to prevent tarnishing. Metal
clips may be soldered to the back to hold the picture in place and
also a metal strip to hold the frame upright.
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