Publisher's Synopsis
Engineering Experiment Station Series, No. 47. Foreword By E. B. Norris. Includes Calculation Of The Elastic Curve Of A Helical Compression Spring, By H. C. Keysor; Helix Warping In Helical Compression Springs, By D. H. Pletta And F. J. Maher; Load-Deflection Characteristics Of Helical Springs, By D. H. Pletta And F. J. Maher.