Canadian foundryman (1921) . Simpson is of proven economy and efficiencyfor every kind of sand mixture, particularly boresand and facing sand. SimpsonIntensiveFoundryMixers Save Labor, Binder and New Sand. They operate with minimum powerand maintenance cost and enorm-ously increase the elasticity andtoughness of the sand. It is almostincredible how soon a Simpson willpay for itself. Used and endorsedby the largest foundries in Canadaand the United States. The Six Points of Perfection 1. Correct size and speed of mullers. 2. Effective arrangement of plows. 3. Automatic discharge. 4. Large
Canadian foundryman (1921) . Simpson is of proven economy and efficiencyfor every kind of sand mixture, particularly boresand and facing sand. SimpsonIntensiveFoundryMixers Save Labor, Binder and New Sand. They operate with minimum powerand maintenance cost and enorm-ously increase the elasticity andtoughness of the sand. It is almostincredible how soon a Simpson willpay for itself. Used and endorsedby the largest foundries in Canadaand the United States. The Six Points of Perfection 1. Correct size and speed of mullers. 2. Effective arrangement of plows. 3. Automatic discharge. 4. Large capacity per area of floor space occupied. 5. Minimum power and maintenance cost. 6. Considerably less new sand and binder required. Send for Pamphlet No. 50 and list of Users NATIONAL ENGINEERING CO. Machinery Hall Bldg., 549 St. CHICAGO, ILLINOIS. 10 CANADIAN FOUNDRYMAN Volume X Showing installation of Skinner Bros.(Baetz Patent) Heaters in foundry ofBest Foundry Co., Bedford, Ohio. Noteextensive area Mechanical Details Built as an individual enclosed unit with aseries of pipe coils compactly mounted abovea powerful fan-wheel. Coils are heated by ex-haust or live steam. Cold air is drawn intothe heater by the fan, impelled upward andaround the coils, and, after being heated, isdiffused through outlet hoods to every partof the open area. No pipes or ducts fan is operated by any power available. Direct-Fired Type Where steam is not avail-able, we supply ourdirect - fired type DF,which burns coal, cokeor wood. Built on thesame scientific principleas type SC. The fan isoperated by any poweravailable.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectfoundri, bookyear1921
