Report of Foremanship series, Purdue visited Hemingray in 1929 & 1935

[Trade Journal]

Publication: Engineering Bulletin Purdue University

Lafayette, IN, United States
vol. 20, no. 3, p. 21,23,32,33, col. 1

[Title only]

Keywords:Hemingray
Researcher notes: 
Supplemental information: 
Researcher:Bob Stahr
Date completed: