Welding; theory, practice, apparatus and tests, electric, thermit and hot-flame processes . Fig. 49.—Repairing with the oxy-acetylene torch (Davis-Bournonville Company) but it would have been necessary to renew several furnaces,which would have detained the steamer for two months andcaused great expense. All the cracks were wedged open with.

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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1910