Canadian foundryman (1917) . FIG. 1. PLAN AND SECTIONAL VIEWSOF WORK. Qualities when poured at a reason-ably high temperature, render leadthe most uncertain of the non-fer-rous metals; hence the use of loam ordry sand moulds in preference to greensand in most cases where castings ofheavy section or considerable depth are. FIG. 2. FOUNDATION PLATE. required, a case in point being tbe deni-trating tower saucer shown in plan andsection at Fig. 1, this piece, 36 in. dia. x 24 in. deep, x 2 in. section, weighing from the full height, as indicated inapproximately 3,700 lbs. Fig. 5. Conditions of Pro
Canadian foundryman (1917) . FIG. 1. PLAN AND SECTIONAL VIEWSOF WORK. Qualities when poured at a reason-ably high temperature, render leadthe most uncertain of the non-fer-rous metals; hence the use of loam ordry sand moulds in preference to greensand in most cases where castings ofheavy section or considerable depth are. FIG. 2. FOUNDATION PLATE. required, a case in point being tbe deni-trating tower saucer shown in plan andsection at Fig. 1, this piece, 36 in. dia. x 24 in. deep, x 2 in. section, weighing from the full height, as indicated inapproximately 3,700 lbs. Fig. 5. Conditions of Production The spiked plate illustrated in Fig. 6, A concern engaged in the manufactureof explosives, frequently requiring leadeastings of this type, but of varying pro-portions, supplied blue print and pigmetal to the foundry receiving the order,with a free hand as to methods of pro-duction, at a fixed price per piece onmachined castings of good quality andappearance. To insure good results these castingswere for some time swept up in loamby established methods, at considerablecost for rigging, a foundation plate ofdiameter convenient to the specified areaof casting ordered and approximately 3in. thick, being first made, and set level,a 2 in. spindle inserted in the three-armed socket of usual type. The corefoundati
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Keywords: ., boo, bookcentury1900, bookdecade1910, bookidcanfoundryman1917toro
