. Electric railway journal . 1— Set-up foi- thermit weld. 5—Repair to crossing- by arc welding. 2— Cutting cast iron with oxyacetylene to prepare for mold. 6—Dynamotor type arc-welding machine. 3— The reaction taking place. 7—Seam-welded joint on 7-in. groove girder rail; 4— Completed weld before cleaning. 8—Reciprocating rail grinder. March 19, 1921 Electric Railway Journal 519.

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