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NON-PLASTIC FILLING MATERIALS 167

both hands, being careful to make the rope as near an equal
size throughout its length as possible. The fingers may be

covered with finger cots, if the hands are moist. This method
is hardly applicable to cohesive gold.

Fig. 183.—Making the cylinder. The broach and cylinder are shown much
enlarged.

4. The Cylinder.—Roll a ribbon on a three-, four-or five-
sided smooth broach into a cylinder. The size of the cylinder

will be regulated by the length of the ribbon, and the length of
the cylinder by the width of the ribbon. Various sizes and