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[Photograph 2012.201.B0292B.0161]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: January 20, 1931
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History
The Lampasas Daily Leader (Lampasas, Tex.), Vol. 27, No. 270, Ed. 1 Tuesday, January 20, 1931 (open access)

The Lampasas Daily Leader (Lampasas, Tex.), Vol. 27, No. 270, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Lampasas, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Center Daily News (Center, Tex.), Vol. 2, No. 189, Ed. 1 Tuesday, January 20, 1931 (open access)

Center Daily News (Center, Tex.), Vol. 2, No. 189, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Center, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: Foster, Joe B.
Object Type: Newspaper
System: The Portal to Texas History
Mt. Pleasant Daily Times (Mount Pleasant, Tex.), Vol. 12, No. 253, Ed. 1 Tuesday, January 20, 1931 (open access)

Mt. Pleasant Daily Times (Mount Pleasant, Tex.), Vol. 12, No. 253, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Mount Pleasant, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: Cross, G. W.
Object Type: Newspaper
System: The Portal to Texas History
The Cuero Record (Cuero, Tex.), Vol. 37, No. 16, Ed. 1 Tuesday, January 20, 1931 (open access)

The Cuero Record (Cuero, Tex.), Vol. 37, No. 16, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Cuero, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: Howerton, J. C.
Object Type: Newspaper
System: The Portal to Texas History
The Delta Courier (Cooper, Tex.), Vol. 50, No. 3, Ed. 1 Tuesday, January 20, 1931 (open access)

The Delta Courier (Cooper, Tex.), Vol. 50, No. 3, Ed. 1 Tuesday, January 20, 1931

Weekly newspaper from Cooper, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Brenham Banner-Press (Brenham, Tex.), Vol. 47, No. 251, Ed. 1 Tuesday, January 20, 1931 (open access)

Brenham Banner-Press (Brenham, Tex.), Vol. 47, No. 251, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Brenham, Texas that includes local, state and national news along with extensive advertising.
Date: January 20, 1931
Creator: Blake, T. C.
Object Type: Newspaper
System: The Portal to Texas History
The Daily Tribune (Goose Creek, Tex.), Vol. 13, No. 202, Ed. 1 Tuesday, January 20, 1931 (open access)

The Daily Tribune (Goose Creek, Tex.), Vol. 13, No. 202, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Goose Creek, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: Rogers, Chester
Object Type: Newspaper
System: The Portal to Texas History
The Brownsville Herald (Brownsville, Tex.), Vol. 39, No. 201, Ed. 1 Tuesday, January 20, 1931 (open access)

The Brownsville Herald (Brownsville, Tex.), Vol. 39, No. 201, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Brownsville, Texas that includes local, state and national news along with advertising.
Date: January 20, 1931
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Brownwood Bulletin (Brownwood, Tex.), Vol. 31, No. 82, Ed. 1 Tuesday, January 20, 1931 (open access)

Brownwood Bulletin (Brownwood, Tex.), Vol. 31, No. 82, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Brownwood, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: White, James C.
Object Type: Newspaper
System: The Portal to Texas History
Hallettsville Semi-Weekly New Era-Herald (Hallettsville, Tex.), Vol. 58, No. 48, Ed. 1 Tuesday, January 20, 1931 (open access)

Hallettsville Semi-Weekly New Era-Herald (Hallettsville, Tex.), Vol. 58, No. 48, Ed. 1 Tuesday, January 20, 1931

Semi-weekly newspaper from Hallettsville, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Bristow Daily Record (Bristow, Okla.), Vol. 9, No. 230, Ed. 1 Tuesday, January 20, 1931 (open access)

Bristow Daily Record (Bristow, Okla.), Vol. 9, No. 230, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Bristow, Oklahoma that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: Nichols, L. M.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Daily News-Telegram (Sulphur Springs, Tex.), Vol. 33, No. 17, Ed. 1 Tuesday, January 20, 1931 (open access)

The Daily News-Telegram (Sulphur Springs, Tex.), Vol. 33, No. 17, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: Bagwell, J. S.
Object Type: Newspaper
System: The Portal to Texas History
[Letter from J. L. Wells to D. D. Parramore, January 20, 1931] (open access)

[Letter from J. L. Wells to D. D. Parramore, January 20, 1931]

Letter from J. L. Wells to D. D. Parramore discussing a completed map of the Cienega Ditch and the final steps needed to officially file it in Santa Fe.
Date: January 20, 1931
Creator: Wells, J. L.
Object Type: Letter
System: The Portal to Texas History
Chickasha Daily Express (Chickasha, Okla.), Vol. 32, No. 3, Ed. 1 Tuesday, January 20, 1931 (open access)

Chickasha Daily Express (Chickasha, Okla.), Vol. 32, No. 3, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Chickasha, Oklahoma that includes local, state and national news along with advertising.
Date: January 20, 1931
Creator: Pool, J. Edwin
Object Type: Newspaper
System: The Gateway to Oklahoma History
Cleburne Times-Review (Cleburne, Tex.), Vol. 26, No. 94, Ed. 1 Tuesday, January 20, 1931 (open access)

Cleburne Times-Review (Cleburne, Tex.), Vol. 26, No. 94, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Cleburne, Texas that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: Dean, J. Lawrence
Object Type: Newspaper
System: The Portal to Texas History
The Oklahoma News (Oklahoma City, Okla.), Vol. 25, No. 94, Ed. 1 Tuesday, January 20, 1931 (open access)

The Oklahoma News (Oklahoma City, Okla.), Vol. 25, No. 94, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Oklahoma City, Oklahoma that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: Magee, Carl C.
Object Type: Newspaper
System: The Gateway to Oklahoma History
Sapulpa Herald (Sapulpa, Okla.), Vol. 17, No. 118, Ed. 1 Tuesday, January 20, 1931 (open access)

Sapulpa Herald (Sapulpa, Okla.), Vol. 17, No. 118, Ed. 1 Tuesday, January 20, 1931

Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date: January 20, 1931
Creator: Young, John W.
Object Type: Newspaper
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1320.0232]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: January 20, 1931
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History
The effect of small angles of yaw and pitch on the characteristics of airplane propellers (open access)

The effect of small angles of yaw and pitch on the characteristics of airplane propellers

This report presents the results of wind tunnel tests to determine the effect on the characteristics of a propeller of inclining the propeller axis at small angles to the relative wind. Tests were made of a full-scale propeller and fuselage combination at four angles of yaw (0 degree, +5 degrees, +10 degrees, +15 degrees), and of a model propeller, nacelle, and wing combination of five angles of pitch (-5 degrees, 0 degree, +5 degrees, +10 degrees and +15 degrees). The results of the full-scale tests of a propeller and fuselage, without a wing, show that the effect on the propeller performance is small. Similar results are shown by the model test data except that where the propeller is directly in front of the wing there is an appreciable decrease in effective thrust and propulsive efficiency with increase of angle of pitch.
Date: January 20, 1931
Creator: Freeman, Hugh B.
Object Type: Report
System: The UNT Digital Library
The Cass County Sun (Linden, Tex.), Vol. 56, No. 3, Ed. 1 Tuesday, January 20, 1931 (open access)

The Cass County Sun (Linden, Tex.), Vol. 56, No. 3, Ed. 1 Tuesday, January 20, 1931

Weekly newspaper from Linden, Texas that includes local, state and national news along with advertising.
Date: January 20, 1931
Creator: Banger, J. E. A. & Erwin, W. L.
Object Type: Newspaper
System: The Portal to Texas History
The Breckenridge American (Breckenridge, Tex.), Vol. 11, No. 44, Ed. 1, Tuesday, January 20, 1931 (open access)

The Breckenridge American (Breckenridge, Tex.), Vol. 11, No. 44, Ed. 1, Tuesday, January 20, 1931

Daily newspaper from Breckenridge, Texas that includes local, state and national news along with extensive advertising.
Date: January 20, 1931
Creator: Hodges, Wesley D.
Object Type: Newspaper
System: The Portal to Texas History
The Brownsville Herald (Brownsville, Tex.), Vol. 39, No. 201, Ed. 2 Tuesday, January 20, 1931 (open access)

The Brownsville Herald (Brownsville, Tex.), Vol. 39, No. 201, Ed. 2 Tuesday, January 20, 1931

Daily newspaper from Brownsville, Texas that includes local, state and national news along with advertising.
Date: January 20, 1931
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 15, No. 85, Ed. 1 Tuesday, January 20, 1931 (open access)

The Oklahoma Daily (Norman, Okla.), Vol. 15, No. 85, Ed. 1 Tuesday, January 20, 1931

Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes local and campus news along with advertising.
Date: January 20, 1931
Creator: Pearce, Dick
Object Type: Newspaper
System: The Gateway to Oklahoma History