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Wind-Tunnel Investigation of the Effects of Spoilers on the Characteristics of a Low-Drag Airfoil Equipped With a 0.25-Chord Slotted Flap (open access)

Wind-Tunnel Investigation of the Effects of Spoilers on the Characteristics of a Low-Drag Airfoil Equipped With a 0.25-Chord Slotted Flap

Report discussing the effects of circular-arc spoilers on the section characteristics of an NACA 66,2-216 airfoil with a 0.25-chord slotted flap. Spoilers were tested on the upper surface of the airfoil, on the lower surface, and on both simultaneously. Only the simultaneous placement of spoilers was found to provide satisfactory results as a lateral control device.
Date: July 23, 1945
Creator: Holtzclaw, Ralph W.
Object Type: Report
System: The UNT Digital Library
The El Reno Daily Tribune (El Reno, Okla.), Vol. 49, No. 125, Ed. 1 Tuesday, July 23, 1940 (open access)

The El Reno Daily Tribune (El Reno, Okla.), Vol. 49, No. 125, Ed. 1 Tuesday, July 23, 1940

Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date: July 23, 1940
Creator: Dyer, Ray J.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 55, No. 124, Ed. 1 Tuesday, July 23, 1946 (open access)

The El Reno Daily Tribune (El Reno, Okla.), Vol. 55, No. 124, Ed. 1 Tuesday, July 23, 1946

Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date: July 23, 1946
Creator: Dyer, Ray J.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 56, No. 122, Ed. 1 Wednesday, July 23, 1947 (open access)

The El Reno Daily Tribune (El Reno, Okla.), Vol. 56, No. 122, Ed. 1 Wednesday, July 23, 1947

Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date: July 23, 1947
Creator: Dyer, Ray J.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 53, No. 123, Ed. 1 Sunday, July 23, 1944 (open access)

The El Reno Daily Tribune (El Reno, Okla.), Vol. 53, No. 123, Ed. 1 Sunday, July 23, 1944

Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date: July 23, 1944
Creator: Dyer, Ray J.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Denison Press (Denison, Tex.), Vol. 9, No. 23, Ed. 1 Thursday, July 23, 1942 (open access)

The Denison Press (Denison, Tex.), Vol. 9, No. 23, Ed. 1 Thursday, July 23, 1942

Daily newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date: July 23, 1942
Creator: Anderson, LeRoy
Object Type: Newspaper
System: The Portal to Texas History
The Dublin Progress (Dublin, Tex.), Vol. 60, No. 18, Ed. 1 Friday, July 23, 1948 (open access)

The Dublin Progress (Dublin, Tex.), Vol. 60, No. 18, Ed. 1 Friday, July 23, 1948

Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1948
Creator: Perry, Francis E.
Object Type: Newspaper
System: The Portal to Texas History
The Shamrock Texan (Shamrock, Tex.), Vol. 39, No. 11, Ed. 1 Thursday, July 23, 1942 (open access)

The Shamrock Texan (Shamrock, Tex.), Vol. 39, No. 11, Ed. 1 Thursday, July 23, 1942

Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1942
Creator: Montgomery, Arval
Object Type: Newspaper
System: The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 8, No. 25, Ed. 1 Wednesday, July 23, 1941 (open access)

The Denison Press (Denison, Tex.), Vol. 8, No. 25, Ed. 1 Wednesday, July 23, 1941

Daily newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date: July 23, 1941
Creator: Anderson, LeRoy
Object Type: Newspaper
System: The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 20, No. 5, Ed. 1 Friday, July 23, 1948 (open access)

The Denison Press (Denison, Tex.), Vol. 20, No. 5, Ed. 1 Friday, July 23, 1948

Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date: July 23, 1948
Creator: Anderson, LeRoy M.
Object Type: Newspaper
System: The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 15, No. 5, Ed. 1 Friday, July 23, 1943 (open access)

The Denison Press (Denison, Tex.), Vol. 15, No. 5, Ed. 1 Friday, July 23, 1943

Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date: July 23, 1943
Creator: Anderson, LeRoy
Object Type: Newspaper
System: The Portal to Texas History
Borger Daily Herald (Borger, Tex.), Vol. 19, No. 207, Ed. 1 Monday, July 23, 1945 (open access)

Borger Daily Herald (Borger, Tex.), Vol. 19, No. 207, Ed. 1 Monday, July 23, 1945

Daily newspaper from Borger, Texas that includes local, state and national news along with extensive advertising.
Date: July 23, 1945
Creator: Phillips, J. C.
Object Type: Newspaper
System: The Portal to Texas History
The Deport Times (Deport, Tex.), Vol. 34, No. 24, Ed. 1 Thursday, July 23, 1942 (open access)

The Deport Times (Deport, Tex.), Vol. 34, No. 24, Ed. 1 Thursday, July 23, 1942

Weekly newspaper from Deport, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1942
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 37, No. 39, Ed. 1 Friday, July 23, 1948 (open access)

The Bogata News (Bogata, Tex.), Vol. 37, No. 39, Ed. 1 Friday, July 23, 1948

Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1948
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Panola Watchman (Carthage, Tex.), Vol. 69, No. 34, Ed. 1 Thursday, July 23, 1942 (open access)

The Panola Watchman (Carthage, Tex.), Vol. 69, No. 34, Ed. 1 Thursday, July 23, 1942

Weekly newspaper from Carthage, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1942
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 60, No. 9, Ed. 1 Friday, July 23, 1948 (open access)

The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 60, No. 9, Ed. 1 Friday, July 23, 1948

Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1948
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Graham Daily Reporter (Graham, Tex.), Vol. 7, No. 279, Ed. 1 Wednesday, July 23, 1941 (open access)

Graham Daily Reporter (Graham, Tex.), Vol. 7, No. 279, Ed. 1 Wednesday, July 23, 1941

Daily newspaper from Graham, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1941
Creator: Trout, H. I.
Object Type: Newspaper
System: The Portal to Texas History
The Comanche Chief (Comanche, Tex.), Vol. 70, No. 52, Ed. 1 Friday, July 23, 1943 (open access)

The Comanche Chief (Comanche, Tex.), Vol. 70, No. 52, Ed. 1 Friday, July 23, 1943

Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1943
Creator: Wilkerson, J. C.
Object Type: Newspaper
System: The Portal to Texas History
The Panola Watchman (Carthage, Tex.), Vol. 69, No. 34, Ed. 1 Thursday, July 23, 1942 (open access)

The Panola Watchman (Carthage, Tex.), Vol. 69, No. 34, Ed. 1 Thursday, July 23, 1942

Weekly newspaper from Carthage, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1942
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Harper Herald (Harper, Tex.), Vol. 28, No. 30, Ed. 1 Friday, July 23, 1943 (open access)

The Harper Herald (Harper, Tex.), Vol. 28, No. 30, Ed. 1 Friday, July 23, 1943

Weekly newspaper from Harper, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1943
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Delta Courier (Cooper, Tex.), Vol. 59, No. 30, Ed. 1 Tuesday, July 23, 1940 (open access)

The Delta Courier (Cooper, Tex.), Vol. 59, No. 30, Ed. 1 Tuesday, July 23, 1940

Weekly newspaper from Cooper, Texas that includes local, state, and national news along with advertising.
Date: July 23, 1940
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History

G. G. Gross Combining Rye and Vetch for Seed

Photograph of District Supervisor G. G. Goss using a tractor to combine rye and vetch for seed. The back of the photograph proclaims, “Combining rye and vetch for seed. This land has been in cultivation for 41 years. (G. G. Gross on tractor). Per Acre Yield: Unfertilized: 214# Abruzzi Rye Seed, 66# vetch, Fertilized: 224# Abruzzi rye seed, (120# superphosphate), 620# vetch seed, Cost of fertilizer, $1.65 per acre. Green Tonnage: Unfertilized: 3,079# rye, 103# vetch, Fertilized: 3,511# rye, 8,494# vetch. Total: Unfertilized, 1.59 tons per acre, Fertilized, 6.01 tons per acre. (The increase was 432# rye, 8,391# vetch). At 14 cents per lb. for vetch seed and 4 ½ cents per lb. for rye seed, the unfertilized crop amounted to $18.87 per acre. On fertilized land the per acre return was $96.88. The fertilizer made an increase in profit of $76.46 per acre.”
Date: July 23, 1945
Creator: Jenkins, Elvin W.
Object Type: Photograph
System: The Gateway to Oklahoma History
La Grange Journal (La Grange, Tex.), Vol. 63, No. 30, Ed. 1 Thursday, July 23, 1942 (open access)

La Grange Journal (La Grange, Tex.), Vol. 63, No. 30, Ed. 1 Thursday, July 23, 1942

Weekly newspaper from La Grange, Texas that includes local, state, and national news along with extensive advertising.
Date: July 23, 1942
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Borger Daily Herald (Borger, Tex.), Vol. 14, No. 208, Ed. 1 Tuesday, July 23, 1940 (open access)

Borger Daily Herald (Borger, Tex.), Vol. 14, No. 208, Ed. 1 Tuesday, July 23, 1940

Daily newspaper from Borger, Texas that includes local, state and national news along with extensive advertising.
Date: July 23, 1940
Creator: Phillips, J. C.
Object Type: Newspaper
System: The Portal to Texas History