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Journal - Franklin Institute of the State of Pennsylvania (1826)

Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 574

An illustration from Journal - Franklin Institute of the State of Pennsylvania, 1826, leaf 574
nks, wire fence, lathe tools, kitchen utensils,iron ladders and gratings, and a large variety of other products arenow welded in these automatic and semi-automatic machines. The recent increase in the application of electric welding, par-ticularly of arc welding, has given rise to many questions… … ^^■■: ■c\ ■ ■ -J Annealed weld, showing boundary between plate and weld. XVS. committee to study the problem in connection with the welding ofship plates. This committee did much to stimulate research onelectrodes, current strengths, the nature of the arc, inspectionmethods and the instruction of…

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