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Lift Theory of Supporting Surfaces: Second Article

Description: Memorandum presenting a description of the hydrodynamic lift theory of supporting services. This report is mainly about the task of finding suitable wing sections for given lift conditions. Formulas are given for lift magnitude and moment, which make it possible to obtain solutions of great simplicity and clearness.
Date: September 1921
Creator: von Mises, R.
Partner: UNT Libraries Government Documents Department
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Some New Tests at the Gottingen Laboratory

Description: The tests at the Gottingen laboratory included: friction tests on a surface treated with emaillite, verification tests on the M.V.A. 356 wing, and comparative tests of wing no. 36 at the Eiffel laboratory. The examination of all these experiments leads to the belief that, at large incidences, the speeds registered by the suction manometer of the testing chamber of the Eiffel laboratory wind tunnel are, owing to pressure drop, greater than the actual speeds. Therefore, the values of k(sub x) and… more
Date: April 1921
Partner: UNT Libraries Government Documents Department
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Distant-Compass

Description: Report presenting a description of fluid compasses that are being used in aircraft, including why magnetic compasses are not usable. Details of the distant compass are provided, which is an improved form of the compass that has a practical application in seaplanes.
Date: June 1921
Creator: Friedensburg, Walter & Miner, D. M.
Partner: UNT Libraries Government Documents Department
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[Commencement Program for North Texas State Normal College, August 20, 1921]

Description: The commencement program for the 1921 graduating class of North Texas State Normal College. The program is printed in black ink on a plain sheet of card stock. The cover reads, "Annual Summer Commencement. North Texas State Normal College. Denton, Texas. Auditorium. Nine o'Clock, Saturday Morning. August 20, 1921." The program includes the order of service and a list of graduates receiving their degrees.
Date: August 1921
Creator: North Texas State Normal College
Partner: UNT Libraries Special Collections

Suit

Description: Woman's suit consisting of three pieces, a coat, blouse, and skirt. Coat and skirt are made of navy blue wool. The coat has a center front opening, and long sleeves which end just above wrist. The skirt is slightly below mid-calf length. The blouse is made of rust-colored chiffon with rounded neck, and is decorated with beading and embroidery.
Date: 1921
Partner: UNT College of Visual Arts + Design
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Destructive Distillation of Mixtures of Oil and Coal

Description: Report issued by the U.S. Bureau of Mines on the characteristics and behavior of oil and coal distillation processes. The effectiveness of the distillation processes and the properties of the oil and coal mixtures are presented. This report includes tables, graphs, and illustrations.
Date: December 1921
Creator: Davis, Joseph D.; Place, Palmer B. & Scott, G. S.
Partner: UNT Libraries Government Documents Department
open access

Motor trucks on eastern farms.

Description: Describes the use of motor trucks on farms in the eastern United States and evaluates costs and benefits.
Date: July 1921
Creator: Tolley, H. R. (Howard Ross), 1889-1958 & Church, L. M. (Lillian M.), 1872-1939
Partner: UNT Libraries Government Documents Department
open access

Plans of rural community buildings.

Description: Describes the plans and procedures for constructing rural community buildings, and their uses.
Date: January 1921
Creator: Nason, W. C. (Wayne Crocker), b. 1874 & Galpin, Charles Josiah, b. 1864
Partner: UNT Libraries Government Documents Department

Composition

Description: The composition consists of geometric shapes on a beige ground. While most of the edges are sharp, the white shapes have feathered brushstroke edges. The colors are black, brown, yellow, green, blue, orange, red and white on the tan ground.
Access: Restricted to UNT Community Members. Login required if off-campus.
Date: 1921
Creator: Popova, Lyubov'
Partner: UNT College of Visual Arts + Design

Woman Reading

Description: A woman seated in a chair holds a book, reading. Light from behind highlights the woman's light hair and her dress. The background is purple, blue, green, and yellow.
Access: Restricted to UNT Community Members. Login required if off-campus.
Date: 1921
Creator: Kamir, Leon
Partner: UNT College of Visual Arts + Design
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