Iowa State University; Agricultural and Biosystems Engineering Dept.; Mechanical Engineering; levels
A group of students are seated at tables working at drafting projects. Various pieces of drafting equipment are on the tables including right angel triangles, levels and a Thacher�s Calculator (cylindrical slide rule).
A young man in a suit with drafting equipment. He is posed looking at a gear as if he is about to begin an engineering drawing of the object. Drawing tables fill the room; on the back wall hang a large number of t-squares.
Documents the American Statistical Association’s first forty years (1967-2007) of efforts relating to the society’s historical records. Includes descriptions of the various committees and people who have taken part in these efforts.