. Silverwork and jewelery; a text-book for students and workers in metal, by H. Wilson. drive it home and also to consolidate andshape it. Then with the flat steel spatulaor modeling-tool cut away the sand alongthe line you have chosen for the seam (seefig. 156, F), pare the surface of the block 247 Piece-Molding into a regular and even shape. Now sticka fork made of two thick strong needlesor pointed wires inserted in a slip of hardwood (see fig. 158) into the block, andhaving laid the flask on a flat board, tapthe under side of the board smartly, butnot too vigorously, until you see thatthe
. Silverwork and jewelery; a text-book for students and workers in metal, by H. Wilson. drive it home and also to consolidate andshape it. Then with the flat steel spatulaor modeling-tool cut away the sand alongthe line you have chosen for the seam (seefig. 156, F), pare the surface of the block 247 Piece-Molding into a regular and even shape. Now sticka fork made of two thick strong needlesor pointed wires inserted in a slip of hardwood (see fig. 158) into the block, andhaving laid the flask on a flat board, tapthe under side of the board smartly, butnot too vigorously, until you see thatthe core has separated slightly from themodel, lift it carefully away, and dustthe molded surface with finely powdered. charcoal from a coarse muslin bag, andreplace the core on the mold; tap it gentlybut firmly home again. Proceed in likemanner with the opposite side of the model(see fig. I ^6, C). You will now have to makethe mold for the upper part of the you will do in the back-mold, whichwill be made in the peg half of the flask(see figs. 156,0, and 157). Place this upperhalf of the flask in position. Having248 dusted the whole upper surface of the Piece-false cores and the under mold, press some Moldingof the finest sand over the top of thehead of the model, and then fill the wholemold with ordinary casting-sand and ramit well into place with the mallet handleand afterward with the head of the mal-let. Strike off the superfluity as before,and as before again pile on sand and driveit down with the flat board and the mal-let. Now lift the peg half away, and youwill have the impression of the falsecores (fig. 156, D, shows the section of theback-mold) and also a mold of the topof the anima
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectsilverw, bookyear1903
