THERE are several methods by which galvanometers may be graduated so as to measure currents and potentials in absolute measure, but they all involve, directly or indirectly, a comparison of the ...

IN the course of an investigation into servo circuits and self-balancing systems in general I had opportunity to examine the effect of reactive elements in the negative feedback networks of electronic ...

The crew of the Space Shuttle Discovery may owe a debt of gratitude to a pair of laser-scanning galvanometers. The crew of the Space Shuttle Discovery may owe a debt of gratitude to a pair of ...