William Crosby Marshall

William Crosby Marshall (September 21, 1870 – February 1, 1934) was an American mechanical and consulting engineer, Professor of Machine Design and Descriptive Geometry at the Sheffield Scientific School of Yale University and author.

Life and work Youth and early career at Yale Marshall was the son of Rev. Henry Grimes Marshall and Marietta (Crosby) Marshall. He grew up in Avon, Connecticut, where he attended the New Haven High School.

Further career in industry At the age of 43 Marshall continued his career as consulting engineer in the Industry. He started in 1913 as construction engineer for the Federal Sugar Refining Co., and in 1915 became research engineer at the Bridgeport Works of the Remington Arms Union Metallic Cartridge Co. in Bridgeport, Connecticut.

In 1917 Marshall had started as mechanical engineer with the Holt Manufacturing Company in Peoria, Illinois, when on September 13, 1917, he was called upon to serve in the war industry. First he was Captain in Ordnance Department, U.S.A, and became assistant chief of the Inspection Division of the Small Arms Weapons Section at Washington, D.C. At the end of the war he was discharge February 19, 1919.

Marshall had been member of the American Society of Mechanical Engineers, member of the Society of Automotive Engineers and member of the Society for the Promotion of Engineering Education.

Marshall died February 1, 1934, in Wallingford, Connecticut.

Publications Descriptive Geometry: For the Use of Students in Engineering at the Sheffield Scientific School of Yale University, Yale Co-operative Corporation, 1905. Descriptive Geometry for the Use of Students in Engineering, vol . 1. New Haven, 1909. Elementary machine drawing and design, New York, McGraw-Hill. 1911. Graphical methods for schools, colleges, statisticians, engineers and executives, New York, McGraw-Hill. 1921.

Articles, a selection Marshall, W. C. "A Review of "The Scientific Determination of the Merits of Automobiles" by Dr. A. Riedler." Transactions (Society of Automobile Engineers) 10 (1915): 417–443.