"Effect of Rubber Resilience on the Operation of the Spiral Rubber Wiper Defoliator" drafts and research notes, 1966-1968

Agricultural engineering assorted drawings and documents, 1969-1981

Bale Size Analysis, Human Engineering Approach :: Equipment Studies :: Physical Characteristics and Properties
1963 to 1970

Charts and diagrams of tobacco research
March 3, 1965

Charts and diagrams on energy needed to remove tobacco leaves
February 8, 1962

Charts and diagrams on vibration response
March 11, 1968

Charts and diagrams on vibration simulation
June 5, 1969

Charts on transmissibility curves
October 3, 1969

Charts on vibration study
January 12, 1968

Charts, diagrams, and math formulas on tobacco stalk cutting, 1960-1961

Correspondence related to freeze-dry process, 1969

Drawings and diagrams of agricultural machinery and structural components, 1968-1983

Drawings and diagrams of agricultural machinery, structures, and components, 1963-1990

Dusting and Spraying Correspondence (Folder 2 of 3), 1962-1965
April 26, 1962 to May 28, 1965

Harvesting at Graham Howard's farm
circa 1967

Horticultural Crop :: Dusting and Spraying
February 1962 to March 1968

Patent disclosure records, 1960-1969
September 7, 1960 to September 15, 1969

Patent disclosure records, 19690-1974
March 12, 1969 to November 15, 1974

Tables and graphs on equipment used in agriculture and work performance
May 21, 1964

Talks, Reference :: Dusting and Spraying
circa November 1960 to July 1961