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 109
Fig. 74. riated Wheel. Then their central portions are made with ring cores,from the box, Fig. 75. These are set in the mouldwithout prints, and the space between them corres- … Fig. 75. Core Box for Plated Wheel.ponds with the thickness of the plate or disc. Somuch of the boss thicknesses as stand beyond thewheel faces is bedded in the sand in top and bottom CHAPTER VIII. SELECTED MISCELLANEOUS EXAMPLES. A very large and important branch of the patternmakers work consists…
Patternmaking
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