Air reduction sales company, New York. [from old catalog] · New York, Air reduction sales company · leaf 23
Fig. 49 Fig. 47 Fig. 48 Pa<7£ Twenty-two AIRCO WELDING OFPATCHES ON MUDRING THE FOLLOWING THREE methods of patching mudringshave proved to be the most serviceable. The beveling should bedone with an Airco cutting torch set with a No. 1 tip and thewelding with an Airco welding torch and No. 8…
Welding · Locomotives
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