Author_Institution :
McGraw-Hill Pub. Co., New York, N. Y.; Westinghouse Elec. & Mfg. Co., Newark, N. J.
Abstract :
The characteristics and stability of performance of the control springs used in electrical measuring instruments are important factors in the accuracy of such instruments. Supplementing the slight amount of published information on this subject, the following article presents some of the manufacturing knowledge necessary for the production of instrument springs of high quality.
