By
preference it should be square; but if you do not possess the necessary
chisel, a V groove made with a knife will suffice--and, of course, in this
case the edges of A will have to be bevelled to fit.
[Illustration: FIG. 179.--Details of self suplying matchbox.]
The four sides of the box, BB and CC, are next cut out. Their sectional
shape is shown in Fig. 179 (1). They should be rather longer than the
length of the ordinary vesta, and all of exactly the same length, and
rectangular. A very small hack saw (costing about 1s.) with fine teeth is
the best possible tool for close cutting, and a small 1 shilling iron plane is
invaluable for truing and bevelling the edges.
The glue pot, which we will assume to be ready for use, is now needed to
attach the fixed B (the other B is hinged to form a lid for filling the box
through) and CC to the ends. This operation must be carried out accurately,
so that the slots may not be blocked.
While the glue is setting, cut out A, allowing an extra 1/16 inch of width
for fitting. The slot down the centre is best made with a fret saw, and
should be smoothed internally by drawing a strip of fine glass paper to and
fro through it.
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