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TIN AND NON-COHESIVE GOLD 173
from thin German silver or copper, construct a matrix to be
used in filling this cavity, (b) Place the matrix in position
and fill the cavity with cylinders.
Fig. 189.—Filling the step cavity in Fig. 190.—Building the non-cohesive
the end of the bone handle with cylinders cylinders to the level of the step. The
(non-cohesive). Adapting the cylinders matrix is not shown,
to the seat.
Directions.— (i) Prepare cylinders large enough for three
of them to cover the seat, when condensed against that wall,
Fig. 191.—The direction of the cylinders is changed and the rest of the filling
completed in the manner illustrated.
and slightly longer than the distance from the matrix to the
imaginary axial wall, when laid on the seat, with one end
from thin German silver or copper, construct a matrix to be
used in filling this cavity, (b) Place the matrix in position
and fill the cavity with cylinders.
Fig. 189.—Filling the step cavity in Fig. 190.—Building the non-cohesive
the end of the bone handle with cylinders cylinders to the level of the step. The
(non-cohesive). Adapting the cylinders matrix is not shown,
to the seat.
Directions.— (i) Prepare cylinders large enough for three
of them to cover the seat, when condensed against that wall,
Fig. 191.—The direction of the cylinders is changed and the rest of the filling
completed in the manner illustrated.
and slightly longer than the distance from the matrix to the
imaginary axial wall, when laid on the seat, with one end
