Finding Aids

Bowlus-Du Pont Sailplane, Inc. was a short-lived company which combined the financing of record holding glider pilot, Richard du Pont (1911-1943), and the engineering skills of Hawley Bowlus. This reproduction drawing (there are two copies) includes elevations and cross sections of an Albatross II.

E.I. du Pont de Nemours is a chemical company commonly known as the DuPont Company. It was established in 1802 and began by manufacturing gunpowder; later it moved to chemical compounds. The foundations for the Engineering Department were laid in 1902. The department's purpose was to design and construct high explosives plants, design powder machinery, and create extensions to existing plants. The collection consists of three mechanical drawings created by the DuPont Company's Engineering Department showing specifications for constructing and marking crates for gelatine dynamite.

The Erie City Iron Works in Erie, Pennsylvania, was a major manufacturer of boilers, stationary and portable engines, and machinery for sawmills and steam riveting. The collection consists of technical diagrams of engines.

The Lawrance Engineering and Research Corporation manufactured auxiliary power plants for airplanes. The firm was founded in 1930 in Linden, New Jersey, by aviator Charles L. Lawrance (1882-1950). This small collection of blueprints shows auxiliary power plant equipment.

Red Arrow Lines, Inc. was a suburban transit company. This collection contains photographs of Red Arrow Lines transit vehicles and stations that were used in book R. DeGraw, Red Arrow Lines.