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 118
® ^. … FifiT. 77 n— Fig. 78 Fig. 77—Moulding pattern with vertical core prints and placing ofvertical dry sand coreFig. 78—Moulding of parted pattern with horizontal cylindrical coreprints, horizontal core 116 Model Engineering excessive to allow the pattern to be dra\\Ti at air,^nd ina great many cases…
Machinery
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