"The iron founder" supplement. A complete illustrated exposition of the art of casting in iron. Comprising the erection and management of cupolas, reverberatory furnaces, blowers, dams, ladles, etc.; mixing cast iron; founding of chilled car-wheels; malleable iron castings; foundry equipments and appliances; gear moulding machines; moulding machines; burning, chilling, softening; annealing; pouring and feeding; foundry materials; advanced moulding; measurement of castings; wrought iron, steel, etc. Also, the founding of statues; the art of taking casts, pattern modelling; useful formulas and tables (1893)
Bolland, Simpson · New York, J. Wiley & Sons · leaf 235
218 THE IRON-FOUNDER SUPPLEMENT. provided iron bearings in the cores, as the latter must be held in position by a greater weight above, or, what is bet- … Fig. 150. Fig. 151. ter, by a system of binders sufficiently strong to resist the upward pressure. We must not omit to remember here that pressure is exerted in every direction as long as the
Iron founding
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