An investigation of twist drills
Contributors: Benedict, Bruce Willet, 1876-; Hershey, Albert Eby, 1900-; Lukens, William Penn.
Series: University of Illinois Engineering Experiment Station. Bulletin; no. 103, 159; University of Illinois bulletin.; v. 15, no. 13; v. 24, no. 11
Publisher: The University of Illinois
Published: 1917
Place of publication: Urbana, Ill
Language: eng
Subjects: Drilling and boring machinery.
Notes: Bibliography: v. 2, p.59-74.
Cover title.
[Part I] by Bruce W. Benedict and W. Penn Lukens ; pt. II, by Bruce W. Benedict and Albert E. Hershey.