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Electrical Resistance and Critical Ranges of Pure Iron (Classic Reprint)
G. K. Burgess
No preview available - 2016
2—Continued Second Cooling A2 and A3 accuracy actual agreement amperes annealed appear associated behavior Bureau cent chronograph closely coils common cooling curve corresponding to Fe definite deg./sec depend described in Scientific Electrical Resistance Evidently exactly F-6—Continued Pt resistance falling Fe Fe resistance Fe resistance Pt Fe to Pt furnace given gradually heating and cooling higher temperature increases interval iron thermometers iron wire latter lead length manipulated method minute observations obtained ohms6 phenomenon platinum and iron plot porcelain insulators precision Pt ohms Pt resistance corresponding Pt to Fe pure iron quartz rapidly rate of heating recorded region resistance measurements Resistance of Iron resistance Pt resistance resistance Time Fe resistance Time Pt respectively reversible samples Scientific Paper sealing Second Heating sensitiveness shown slight TABLE 2—Continued Second taken taking place temperature coefficient temperature on heating thermal transformation Wheatstone bridge wound