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 Collection: National Advisory Committee for Aeronautics Collection
The 1934 contest for the Deutsch de la Meurthe trophy

The 1934 contest for the Deutsch de la Meurthe trophy

Date: February 1, 1935
Creator: Leglise, Pierre
Description: This report presents a description of the rules, history and new technical innovations in the Deutsch de la Meurthe Cup race of 1934.
Contributing Partner: UNT Libraries Government Documents Department
The A.B.C. "Robin" (British) : a single-seat cabin monoplane

The A.B.C. "Robin" (British) : a single-seat cabin monoplane

Date: September 1, 1929
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The A. B. Flygindustri "K 37" (Swedish Junkers) : A Low-Wing All-Metal Military Airplane

The A. B. Flygindustri "K 37" (Swedish Junkers) : A Low-Wing All-Metal Military Airplane

Date: October 1, 1929
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
N.A.C.A. control position recorder

N.A.C.A. control position recorder

Date: January 1, 1922
Creator: Norton, F H
Description: A new instrument is described which is capable of simultaneously recording the position of the three controls of an airplane. The records are taken photographically on a standard N.A.C.A. film drum and the instrument can be quickly installed in any airplane.
Contributing Partner: UNT Libraries Government Documents Department
N.A.C.A. Langley field wind tunnel apparatusthe tilting manometer

N.A.C.A. Langley field wind tunnel apparatusthe tilting manometer

Date: January 1, 1921
Creator: Norton, F H & Bacon, D L
Description: A description is given of a tilting manometer designed to meet the requirements of a manometer for use in the wind tunnel at the Langley Memorial Aeronautical Laboratory. This gauge was designed to meet the requirements of a manometer in use in connection with a static pressure plate to indicate the wind speed in the tunnel. The requirements are noted. The sensitivity of the gauge must be made inversely proportional to the pressure to be measured. The gauge must be accurately and quickly set for any desired pressure. When set at the desired pressure, the extent of variation between the existing and the desired pressures may be readily estimated. In fact, this manometer is quick to adjust, is easy to read, always has the meniscus in the same position, and accurately indicates a large range of air speeds on what is a comparatively compact instrument.
Contributing Partner: UNT Libraries Government Documents Department
N.A.C.A. recording  air speed meter

N.A.C.A. recording air speed meter

Date: October 1, 1921
Creator: Norton, F H
Description: A new type of air speed meter is described which was designed by the technical staff of the National Advisory Committee for Aeronautics. The instrument consists essentially of a tight metal diaphragm of high natural period which is acted upon by the pressure difference of a pitot-static head. The resulting deflection of this diaphragm is recorded optically on a moving film.
Contributing Partner: UNT Libraries Government Documents Department
N.A.C.A. Stall-Warning Device

N.A.C.A. Stall-Warning Device

Date: February 1, 1938
Creator: Thompson, F.L.
Description: With some airplanes the approach to the stall is accompanied by changes in the behavior, such as tail buffeting or changes in the control characteristics of the airplane so that the pilot obtains a warning of the impending stall. Vith other airplanes it is possible to approach the stall without any perceptible warning other than the reading of the air-speed meter, in which case the danger of inadvertent stalling is considerably greater. Although it is not within the scope of this paper to discuss stalling characteristics, it is desired to point out that in general the danger of inadvertent stalling is greatest with those airplanes that behave worse when the stalling occurs; that is, with airplanes in which the stall starts at the wing tips. A warning of the impending stall is desirable in any case, but is particularly desirable with airplanes of the latter type.
Contributing Partner: UNT Libraries Government Documents Department
The A.N.E.C. IV "Missel Thrush" light airplane

The A.N.E.C. IV "Missel Thrush" light airplane

Date: November 1, 1926
Creator: unknown
Description: A product of the Air Navigation Engineering Co., the Missel Thrush is a light airplane suitable for private ownership. It is a two seat tractor fuselage biplane with single I interplane struts designed by J. Bewsher.
Contributing Partner: UNT Libraries Government Documents Department
The Aachen wind-tunnel balance

The Aachen wind-tunnel balance

Date: November 1, 1934
Creator: Wieselsberger, C
Description: A description of the balance in the Aachen wind-tunnel.
Contributing Partner: UNT Libraries Government Documents Department
Abacus for the reduction of English measures to the metric system and vice versa

Abacus for the reduction of English measures to the metric system and vice versa

Date: July 1, 1921
Creator: Tenani, Mario
Description: This report presents a description of the abacus as well as construction details. There is also a detailed description on how to use the abacus.
Contributing Partner: UNT Libraries Government Documents Department