Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional mechanic .. (1919)
Yates, Raymond F. (Raymond Francis), 1895- ed · New York, The Norman W. Henley Pub. Co. · leaf 121
he use of themoulding board, so it is made removable. This piece isshown standing in front of the pattern. Its bottom has apin which fits into a hole in the bottom of the main pat-tern. No set rule is used in tapering these vertical coreprints; one often used for small ones is to make the… … V.W rigs. 83, 84—Pattern and core prints. Pattern will be maulded with flat(top) surface resting on* moulding board. Appearance of core madein core box. pattern. Such a core box is seen standing at the left ofthe pattern in the picture. When the core is to be sym-metrical, as this one is, it is…
Machinery
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