. American engineer . Arm for Automatic Rivet Maker Welded by the Oxy-AcetyleneProcess. S, about 11:30 a. m.; was welded aiul annealed Saturday after-noon and machine was in working order Monday morning, ata labor cost of $ Kick-out arm on Ajax automatic rivet maker: broke Feb. 20. Tail Block for 200-Ton Wheel Press Welded by Oxy-Acetylene. about 10:30 a. m. .\t 7:30 a. m., February 21, the machine wasin running order at a labor cost of Cvlinder head on 750 lb. steam hammer: this hammer was SEPrKMBER, 1913. RAILWAY AGE GAZETTE. MECHANICAL EDITION. 491 out of commission almiit 20 h
. American engineer . Arm for Automatic Rivet Maker Welded by the Oxy-AcetyleneProcess. S, about 11:30 a. m.; was welded aiul annealed Saturday after-noon and machine was in working order Monday morning, ata labor cost of $ Kick-out arm on Ajax automatic rivet maker: broke Feb. 20. Tail Block for 200-Ton Wheel Press Welded by Oxy-Acetylene. about 10:30 a. m. .\t 7:30 a. m., February 21, the machine wasin running order at a labor cost of Cvlinder head on 750 lb. steam hammer: this hammer was SEPrKMBER, 1913. RAILWAY AGE GAZETTE. MECHANICAL EDITION. 491 out of commission almiit 20 hours, and ihc lalmr cost was $ we not had the acetylene gas plant we would have hadto send each of these pieces to the factory, causing a delay offrom ]2 111 15 clays for each nuichino. CASE HARDENING George Massar (C, N. O. & T. P., Ludlow, Ky.) :—We havedouble deck furnaces especially designed for our spring workand case hardening. We use cast iron boxes and lids. Thepieces to bo hardened are packed in one of these boxes of asuitable si/e. Pack the box carefully with the article to behardened, so as to allow enough potash when dissolved to coverthe work to be hardened. Cover the edges of the lid with fireclay to make the box as nearly airtight as possible. Allow
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
