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 126
core print pro-jections never appear on the casting; their function isonly to form- a support for the core in the mold. Space will not permit a further discussion of coresand core boxes, for they occur in an endless variety, andevery one would require a special description, but theforegoing should… … Fig. 87—The dotted lines indicate a fillet with too great a radius inproportion to the thickness of the pattern A sharp corner should never be made on a pattern,whether it be curved or straight, but should be roundedoff; and internal corners should be filled in by a curvedportion called a ^^fillet.…
Machinery
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