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Head assembly for multiposition borehole extensometer
A head assembly for a borehole extensometer and an improved extensometer for measuring subsurface subsidence. A plurality of inflatable anchors provide discrete measurement points. A metering rod is fixed to each of the anchors which are displaced when subsidence occurs, thereby translating the attached rod. The head assembly includes a sprocket wheel rotatably mounted on a standpipe and engaged by a chain which is connected at one end to the metering rod and at the other end to a counterweight. A second sprocket wheel connected to the standpipe also engages the chain and drives a connected potentiometer. The head assembly converts the linear displacement of the metering rod to the rotary motion of the second sprocket wheel, which is measured by the potentiometer, producing a continuous electrical output.
Date:
June 9, 1981
Creator:
Frank, D.N.
Object Type:
Patent
System:
The UNT Digital Library
Texas Academy of Mathematics and Science Applicant Information
Information on the applicants to the Texas Academy of Mathematics and Science for the 1988 fall semester.
Date:
June 9, 1988
Creator:
Texas Academy of Mathematics and Science
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0071.0535]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "OKC #12"
Date:
June 9, 1986
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0605]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Reporter Michael Crowden gets flying tips from pilot Pam Mitchell."
Date:
June 9, 1983
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0158.0361]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Workers for a contractor begin installation of intake and out-take pipes which eventually will be covered with a 1-million-gallon ground-level water storage tank."
Date:
June 9, 1981
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0171.0410]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "U. S. marshal Stuart Earnest stands outside the Muffettland day-care home, 704 NE 34 Terrace in Oklahoma City, Friday as authorities seize the property in connection with a drug raid at the home last week."
Date:
June 9, 1989
Creator:
Sisney, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0619]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "John Coffey has been elected chairman of the board of First National Bank of Yukon..."
Date:
June 9, 1981
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0353.0285]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "The waters of Lake Hefner provide a refreshing aquatic escape for heat sufferers with the means and motivation to venture outside in 100-degree temperatures predicted to prevail over the city area today and Wednesday."
Date:
June 9, 1981
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0322.0192]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A saddle serves as a centerpiece for the buffet which draws Wally Kamp and Kathy Niggemyer."
Date:
June 9, 1981
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
High-temperature electrically conductive ceramic composite and method for making same
The present invention relates to a metal-oxide ceramic composition useful in induction heating applications for treating uranium and uranium alloys. The ceramic composition is electrically conductive at room temperature and is nonreactive with molten uranium. The composition is prepared from a particulate admixture of 20 to 50 vol. % niobium and zirconium oxide which may be stabilized with an addition of a further oxide such as magnesium oxide, calcium oxide, or yttria. The composition is prepared by blending the powders, pressing or casting the blend into the desired product configuration, and then sintering the casting or compact in an inert atmosphere. In the casting operation, calcium aluminate is preferably added to the admixture in place of a like quantity of zirconia for providing a cement to help maintain the integrity of the sintered product.
Date:
June 9, 1981
Creator:
Beck, D.E.; Gooch, J.G.; Holcombe, C.E. Jr. & Masters, D.R.
Object Type:
Patent
System:
The UNT Digital Library
[Photograph 2012.201.B0304B.0200]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Connie Johnson displays a cap full of rally pins."
Date:
June 9, 1981
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0313B.0167]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Brassfield Insurance pitcher Bobby Meredith, left, talks with catcher buck Jenkins in Monday night's American Legion major baseball game with Reynolds Lettering Service at Municipal Park."
Date:
June 9, 1986
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0224.0651]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 9, 1983
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0262B.0153]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Tito Horford"
Date:
June 9, 1985
Creator:
Howell, Paul S.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0254.0380]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Lt. Mike Heath / Okla. City Police Dept."
Date:
June 9, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0258.0415]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Guthrie resident Larry Hicks buffs his nails after his brief movie career."
Date:
June 9, 1988
Creator:
Sisney, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0248.0685]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Concentrating of getting the ball in the hole is Burns Hargis."
Date:
June 9, 1985
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0229.0369]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Evelyn Gregory of the Variety Health Center, 1504 S Walker, checks the teeth of Ryan Woods, 8, as Robert White looks on."
Date:
June 9, 1981
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0254.0492]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Linda Silk Heck, sister of first degree murder suspect Rita Silk Nauni, is comforted by Native American center official Frances Wise after testimony in Oklahoma County district court Monday."
Date:
June 9, 1980
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0553.0444]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Jack Hodges"
Date:
June 9, 1982
Creator:
Lynn, Renee
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0271.0273]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 9, 1981
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0261C.0002]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Shan Holtz as worn out one bicycle, and thinks he may soon need another, after the handyman rode for six months from west Virginia to find work in Oklahoma's oilfields."
Date:
June 9, 1981
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0223.0298]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Pat Beasley displays the Golden Thimble doll presented to her by friends in Altus."
Date:
June 9, 1985
Creator:
McGee, Minerva
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0172.0054]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 9, 1980
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History