The principles of pattern making, written specially for apprentices and students in technical schools (1900)
Horner, Joseph Gregory, 1847-1927 · London, New York, Pitman · leaf 66
, in Fig. 41 ; and Fig. 44 is a cross section in theplane B-B, in Fig. 41. If we compare these figureswith those which represent the casting, we find that AN ENGINE CYLINDER. 55 there are certain double reference letters that occur inboth sets of figures. These indicate similar dimen-sions in… … -M Fig. 41. Cylinder Pattern—Outside View. able in the pattern figures is that the foot F is notpresent in the pattern at all, but that a large print C,Figs. 41, 42, 43, formed by boxing up, is substitutedfor it. The inner and outer curves of the foot aretherefore imparted with cores. Another point…
Patternmaking
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