Personal correspondence concerning Smith's acceptance of the directorship of Sibley College, advice to students and prospective students, faculty appointments, alumni contacts and patent and production problems of the Nitrogen Company, to which he was a consultant.

Charles Raine Pettyjohn (November 11, 1896-March 25, 1982) was born in Lynchburg, Virginia. The collection contains bound volumes of lecture notes and lab notes for courses in engineering and physics at Cornell dating 1914-1918 and other items documenting life at Cornell and Phi Delta Theta.

Handwritten copy of a notebook kept by Charles T. Porter in the Department of Heat-Power Engineering, Sibley School of Mechanical Engineering; contains tables, formulas, and notes.

Collection consists of letters Ashby wrote to his family while at college. They chronicle his daily life at Cornell, including his classes, current events, friends, Ithaca weather, professors, exams, etc.

Guidebooks and books of views of Cornell University and Ithaca, N.Y.

Instructions for teaching staff of the College of Engineering, and of its predecessor, the Sibley College of Mechanical Engineering and Mechanic Arts (1938-1954); biographical information on faculty (1912), including a few photographs; and faculty reports on their experience in engineering before coming to Cornell (1909).

A mechanical laboratory notebook belonging to Emery Gilson.

Group photographs of the Student Army Training Corps and the Senior Class in Mechanical and Electrical Engineering at Cornell University, 1922.

Includes pages from a photograph album with campus scenes and group pictures of the Class of 1905 and 1905 Mechanical Engineering. Two Cadet Corps photographs, 1908-09 and 1912. Also ROTC. marksman and sharpshooter certificates, 1940 and 1941, for Richard J. Evans (Class of 1944).

Student notebooks from courses in electrical engineering, mechanical engineering, naval architecture, and physics. Also correspondence, catalogs, drawings, and other records of the Cambria Steel Company.