Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 588
. The selling price of arc welding apparatus exclusiveof accessories and supplies, sold in the U. S. during 1920, isestimated at approximately $2,000,000. Accessories and supplies,such as electrode material, etc., will probably amount to $2,500,000. Nov., 1921.] Science of Electric Welding. 579 The… … Same as Fig. 16—quenched in water from 950° C. Fig. 22. Same as Fig. 20—reannealed. X.so. service. The demand for this equipment appears to be more set-tled than that for other electrical equipment, for when businessconditions are such that ordinary purchases of equipment aredeferred, arc welding…
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