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Results:
1 - 24 of
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Muscovite in the Spruce Pine District, North Carolina
From Abstract: "This report describes the occurrence of the mica and its physical properties among which is an unusually wide range of colors. A table is presented showing the results of power-factor measurements made by the National Bureau of Standards on 196 samples of sheet mica from 109 mica mines and 15 feldspar mines.It is concluded that more systematic planning of mica mining, for the district as a whole. would result in an average yearly production of at least 90,000 pounds of relatively clear sheet and possibly much more."
Date:
1942
Creator:
Kesler, Thomas L. (Thomas Lingle), 1908-1997 & Olson, J. C. (Jerry Chipman), 1917-2013
Object Type:
Report
System:
The UNT Digital Library
A method for determining the rate of heat transfer from a wing or streamline body
From Summary: "A method for calculating the rate of heat transfer from the surface of an airfoil or streamline body is presented. A comparison with the results of an experimental investigation indicates that the accuracy of the method is good. This method may be used to calculate the heat supply necessary for heat de-icing or in ascertaining the heat loss from the fuselage of an aircraft operating at great altitude, for example."
Date:
December 1942
Creator:
Frick, Charles W., Jr. & McCullough, George B.
Object Type:
Report
System:
The UNT Digital Library
Flight Tests of Modifications to Improve the Aileron Control Characteristics of a North American XP-51 Airplane (AC No. 41-38)
Investigations were undertaken to improve the ailerons of a P-51 fighter so as to obtain greater effectiveness without increasing the stick forces. Modifications consisted of increasing the deflection range of the aileron to 70 percent and changing the original concave section to a thick section with beveled trailing edge. Results of the modified ailerons showed an increase in effectiveness over the original aileron of 70 percent at low speed and 55 percent at high speeds.
Date:
June 1942
Creator:
White, M. D. & Hoover, Herbert H.
Object Type:
Report
System:
The UNT Digital Library
On a New Method for Calculating the Potential Flow Past a Body of Revolution
Report presenting a new method for obtaining the velocity potential of the flow about a solid of revolution moving uniformly in the direction of its axis of symmetry in a fluid otherwise at rest. The method is based essentially on the fact that the form of the differential equation for the velocity potential is invariant with regard to conformal transformations in a meridian plane. The general results are applied to a body of revolution obtained by revolving a symmetrical Joukowski profile about its axis of symmetry.
Date:
July 1942
Creator:
Kaplan, Carl
Object Type:
Report
System:
The UNT Digital Library
Analysis of Heat and Compressibility Effects in Internal Flow Systems and High-Speed Tests of a Ram-Jet System
Report presenting an analysis of the effects of heat and compressibility in the flow through the internal systems of aircraft. Equations and charts are developed whereby the flow characteristics at key stations in a typical internal system may be readily obtained.
Date:
September 1942
Creator:
Becker, John V. & Baals, Donald D.
Object Type:
Report
System:
The UNT Digital Library
The effect of exhaust-stack shape on the design and performance of the individual cylinder exhaust-gas jet-propulsion system
Report presenting tests on a single-cylinder, air-cooled engine to determine the effect of several different exhaust-stack shapes on the design and performance of the individual cylinder exhaust-gas jet-propulsion systems. Results regarding the effect of nozzle area and stack shape on exhaust-gas jet thrust, effect of nozzle area and stack shape on overall performance for the S-shape, the 90 degree bend, and the 180 degree bend, the effect on the shape on engine power and volumetric efficiency, and the effect of a branched stack on engine power are provided.
Date:
November 1942
Creator:
Turner, L. Richard & Humble, Leroy V.
Object Type:
Report
System:
The UNT Digital Library
A method for calculating heat transfer in the laminar flow region of bodies
Report presenting a practical method for determining the chordwise distribution of the rate of heat transfer from the surface of a wing or body of revolution to air. The method is limited to use to the determination of heat transfer fro the forward section of such bodies when the flow is laminar.
Date:
December 1942
Creator:
Allen, H. Julian & Look, Bonne C.
Object Type:
Report
System:
The UNT Digital Library
She's a swell plane-- give us more! : more production.
Poster in black & white and red tones. A military pilot in a flight uniform smiles as he removes his goggles and points backward.
Date:
1942
Creator:
Riggs, Robert, 1896-1970
Object Type:
Poster
System:
The UNT Digital Library
[Wedding ceremony]
Photograph of a couple getting married. A few witnesses can be seen to the left.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Four Track Team Members]
Photograph of four track team members at North Texas State Teachers' College.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Students Getting Ready for "Ladies in Retirement"]
Photograph of students acting in the play "Ladies in Retirement" at North Texas State Teachers College. Women crowd together in a room with costumes, putting on makeup.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[President's House]
Photograph of the President's House standing from 1909 to 1958. The photo is taken from the ground up to the second floor balcony.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Voertman's interior, 2]
Photograph of the interior of Voertman's near the North Texas campus in Denton. Several people can be seen inside the shop.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Couple with Wedding Cake]
Photograph of a bride and groom standing with their wedding cake. They prepare to cut their first slice.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Students Acting in Play]
Photograph of students acting in a varsity play. They can be seen on the stage with their costumes. Rows of empty seats make up the foreground.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Students Acting in "Claudia"]
Photograph of students acting in the play "Claudia" at North Texas State Teachers' College. Two women stand together, while a man sits in a chair with a pipe.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Wedding couple down aisle]
Photograph of a bride walking down an aisle, holding the arm of a man. She wears a veil, and people in pews on either side watch her.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Couple at Wedding]
Photograph of a couple cutting their wedding cake. A group of guests can be seen in the upper right of the picture.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Voertman's interior, 3]
Photograph of several students sitting at a bar inside Voertman's, a store near the North Texas campus in Denton.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Students Acting in "Damask Cheek"]
Photograph of students acting in the play "Damask Cheek" at North Texas State Teachers' College. A woman sits on a man's lap, while another woman stands nearby.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Photograph of Wedding Party]
Photograph of a wedding party, including the bride, groom, best men, and bridesmaids. They pose inside a church.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Actresses in "Little Nell"]
Photograph of students acting in the play "Little Nell" at North Texas State Teachers' College. They wear dresses and pose onstage.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Track Team Event]
Photograph of a track team event at North Texas State Teachers' College. Students watch another student jump in the air.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Photograph of Sammye Porterfield]
Photograph of Sammye Porterfield, a student at North Texas State Teachers' College. She poses on a ledge outside of a building.
Date:
1942
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library