Use a stick
with a rag tied on the end for this purpose so as to keep the
solution off the hands and clothes. The four pieces should be
worked at the same time, one for each corner.
It remains to bend the flaps. Place the piece in a vise, as shown
in Fig. 2, and bend the flap sharply to a right angle. Next place
a piece of metal of a thickness equal to that of the blotter pad
at the bend and with the mallet bring the flap down parallel to
the face of the corner piece, Fig. 3. If the measuring has been
done properly, the flaps
[Illustration: Manner of Forming the Plates]
ought to meet snugly at the corner. If they do not, it may be
necessary to bend them back and either remove some metal with the
shears or to work the metal over farther. All the edges should be
left smooth, a metal file and emery paper being used for this
purpose.
If a touch of color is desired, it may be had by filling the
etched parts with enamel tinted by the addition of oil colors,
such as are used for enameling bathtubs. After this has dried,
smooth it off with pumice stone and water. To keep the metal from
tarnishing, cover it with banana-oil lacquer.
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