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The Dewoitine D.500 Pursuit Airplane (French): An All-Metal Cantilever Low-Wing Monoplane

Description: Circular describing the Dewoitine D.500 pursuit airplane, which is an all-metal cantilever low-wing monoplane. Details of the fuselage, cockpit, control surfaces, weapons, landing gear, fuel tanks, wing, engine, characteristics, performances, drawings, and photographs are provided.
Date: May 1933
Partner: UNT Libraries Government Documents Department
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The De Havilland "Moth Three" Airplane (British): A High-Wing Commercial Monoplane

Description: Circular describing the De Havilland Moth Three, which is a high-wing commercial monoplane with a steeply sloping windshield, strut-bracing of the wing, and relatively orthodox landing gear. Details of the construction, design, characteristics, performance, drawings, and photographs are provided.
Date: May 1930
Partner: UNT Libraries Government Documents Department
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The D.H. "Fox Moth" Commercial Airplane (British): A Three-Passenger Light Cabin Biplane

Description: Circular describing the D.H. 83 "Fox Moth", which is a three-passenger light cabin biplane that is considered a commercial airplane despite taking many of its components from the company's existing two-seat touring and training light airplanes. A description of these components, design, flight characteristics, performance, drawings, and photographs are provided.
Date: May 1932
Partner: UNT Libraries Government Documents Department
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The Avro 631 Training Airplane (British): A Two-Seat Light Biplane

Description: Circular describing the Avro 631 training airplane, which is a British two-seat light biplane that is meant to be affordable and small. Details regarding the wings, fuselage, tail unit, landing gear, power plant, accommodation, characteristics, performance, drawings, and photographs are provided.
Date: May 1932
Partner: UNT Libraries Government Documents Department
open access

Armstrong Whitworth 27 "Ensign" Commercial Airplane (British): An All-Metal High-Wing Monoplane

Description: Circular presenting a description of the Armstrong Whitworth monoplane, which is an all-metal, high-wing monoplane with landing gear that retracts into the wing-mounted engine nacelles. Details of the wings, wing spars, fuselage, controls, engines, speeds, drawings, and photographs are provided.
Date: May 1937
Partner: UNT Libraries Government Documents Department
open access

The Mauboussin M 11 Touring Airplane (French): A Two-Place High-Wing Monoplane

Description: Circular describing the Mauboussin M 11 touring airplane, which is a two-place high-wing monoplane that is an enlargement of the M 10. Details of the wing, ailerons, fuselage, cockpit, fuel tanks, landing gear, tail, characteristics, performances, drawings, and photographs are provided.
Date: May 1931
Partner: UNT Libraries Government Documents Department
open access

The Vickers-Supermarine "Scapa" (British): A Military Flying Boat

Description: Circular describing the Vickers-Supermarine Scapa, which is a military flying boat which was designed to be used for observation, bombing, torpedo transport, and training and navigational instruction. Details of the aerodynamic design, structural features, engine installation, characteristics, drawings, and photographs are provided.
Date: May 1936
Partner: UNT Libraries Government Documents Department
open access

Experimental Research on the Friction of Pivots

Description: In horology the friction between solids is of the greatest importance; one limited, however, to the application of the laws of Coulomb which, do not at all correspond with reality. This report presents a review of the subject and some general conclusions. The choice of lubricant is discussed as well as the pressure between frictional surfaces. The gears in a watch are used extensively as examples.
Date: May 1930
Creator: Jaquerod, A.; Defossez, L. & Mügeli, H
Partner: UNT Libraries Government Documents Department
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