Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. . Parfirt^ Vforkinj drawing Xoohin^ HoWrt ting the necessary core print on the outside ofthe hinge piece, but this cannot be illustrated 126 PATTERN MAKING in this view of the pattern. Next make a com-plete core box, as shown by the working of such a core box is shown in Fig. strips of wood a. Fig. 87, or blo
Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. . Parfirt^ Vforkinj drawing Xoohin^ HoWrt ting the necessary core print on the outside ofthe hinge piece, but this cannot be illustrated 126 PATTERN MAKING in this view of the pattern. Next make a com-plete core box, as shown by the working of such a core box is shown in Fig. strips of wood a. Fig. 87, or blocks 6,Fig. 87, can be tacked into the core for any. ria fie ffd7f of f-rnisiheS paHeitt slides, projections, etc., that may be required bythe nature of the work. A rather neat piece ofwork is a double-flanged elbow for a steam pipe,as shown in Fig. 88. Assuming this to be for asmall pipe, say 4-inch, it becomes a simplepiece of lathe work. Having made a proper AND FOUNDRY PRACTICE 127 working drawing (Fig. 89) for determining the sizeof the parts to be made, prepare a piece of materialof suitable dimensions from which to turn out aring, which should be a perfect semicircle in
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicagofjdrakeco
