Barrows, F. W. (Frank Wilson), b. 1853 · New York, N.W. Henley Pub. Co. · leaf 254
Fig. 119. ness as ring 2, which also has the thickness marked I.Part 3 also completes the core by means of the cavity, Ediameter, and H depth. The projection, N, on bottom ofFig. 120, is merely for centring and locating part 3. As many sets of Figs. 118 and 120 were made as wouldbe required to fill… … Fig. 120. This set of patterns was fitted into a pine plate, the.plate being first made weather-proof by saturating withhot paraffine. 254 P ATTERNM AKING. The plate was then laid out by spacing the centres ofpatterns, working from centre lines. After the centreswere marked, the plate was chucked…
Patternmaking
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