. The Street railway journal . the base and the wheel, thus giving the polefull lateral swing on curves! After a thorough trial of theretriever by the International Traction Company, of Buf-falo, N. Y., thirty-seven of them were ordered and are inregular service on the Lockport branch of the system, overwhich a speed of 60 miles an hour is not infrequent. Inaddition, the Milloy Company only a few weeks ago sup-plied this company with a hundred retrievers for serviceelsewhere on its lines. June 8, 1907.] STREET RAILWAY JOURNAL. 1037 METAL MOLDS FOR CASTING BRAKE-SHOES The Keystone Brake Shoe Co


. The Street railway journal . the base and the wheel, thus giving the polefull lateral swing on curves! After a thorough trial of theretriever by the International Traction Company, of Buf-falo, N. Y., thirty-seven of them were ordered and are inregular service on the Lockport branch of the system, overwhich a speed of 60 miles an hour is not infrequent. Inaddition, the Milloy Company only a few weeks ago sup-plied this company with a hundred retrievers for serviceelsewhere on its lines. June 8, 1907.] STREET RAILWAY JOURNAL. 1037 METAL MOLDS FOR CASTING BRAKE-SHOES The Keystone Brake Shoe Company, of New York, whosebrake-shoe was exhibited for the first time at the ColumbusConvention, has been experimenting since then with sand-less molds for casting its brake-shoes. The company wasled to develop this process of manufacture by the belief thatit would result in more perfectly finished shoes, and at aless cost than by the old method of casting in sand. Thecompany has now perfected the process and is casting brake-. FIG. 1.—MOLD FOR M. C. B. SHOE shoes in sandless molds to its satisfaction. As soon asenough molds can be made to handle the manufacture on acommercial basis, the company will be ready to deliver company will not only manufacture the special Key-stone shoe, but also ordinary brake-shoes M. C. B. patterns,steel brake-shoes, etc. It is now negotiating for foundryfacilities, and is planning to have its first foundry locatedin the East, with a capacity, when completed, of 250 tons ofshoes a day. It is hoped to have the product ready for de-livery this fall. In this connection, it may be of interest to publish apaper describing this process which was written by JohnH. Shaw and read by V. B. Lamb before the AmericanFoundrymans Association in Philadelphia, on May THE MANUFACTURE OF SANDLESS CASTINGS Casting in so-called chills is a method well known at thepresent time. Outside of the making or rolls and ingot molds,we find it used for making


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884