Automatic range switching equipment for the Grinnell wind‐speed recorder
Ronald Lorenz Ives · Transactions American Geophysical Union · 1947
Equipment and methods for automatically changing the wind‐speed range of the Grinnell condenser‐discharge wind‐speed recorder to accord with the prevailing average wind speed are here outlined, with salient empirical theory. One automatic range switch is described in working detail, and two others are briefly outlined. Other applications of the general principles employed are mentioned.