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Pattern-making (1921)
McCracken, Edward M, Sampson, Charles Henry, 1883- · New York : D. Van Nostrand Company · leaf 16
. To mold this pattern, a joint the loose pieces are drawn into the space left vacant and lifted is made at B, the pattern is then " rammed up " to the top of A out of the mold. and then the cover core, which fits over the print X, is placed over The surface covered by the loose pieces on the main… … the joint resting on the mold board and ram up the nowel. Fig. 5. When this is turned over the joint will be formed for the cope 1'he cover core is then replaced, covering over th© cavitv half of the mold. made by A, thus preserving that part of the mold while the The parting line (the line along…Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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