IN NATURE of July 21, 1923 (vol. 112, p. 100), was published a letter from me giving results I had obtained on the ionisation potentials of copper and silver vapour by the low-voltage arc method.

ESAB Welding & Cutting Products launched the TAF 801/1251 square wave AC power sources for submerged arc welding. The power sources, designed to be News & Technology for the Global Energy Industry ...

· Calculation of the cable capacitance and the tan delta value of the test object from the characteristic decrease of the voltage wave shape. · Simple to use and easy to handle menu-driven unit for ...