3 Matching Results

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Combination-Plow. (open access)

Combination-Plow.

Patent for a combination-plow that "may be combined with facility to form a variety of plows designed for work of different kinds, the present invention being an improvement upon that shown and described in Patent No. 492,462, granted to [the inventor] February 28, 1893" (lines 10-15).
Date: July 14, 1896
Creator: Dean, John Rowe
Object Type: Patent
System: The Portal to Texas History
Cotton-Cupper (open access)

Cotton-Cupper

Patent for improvements in the type of equipment known as cotton cupers.
Date: October 1, 1889
Creator: Wilder, Theodore C. & Wilder, Atwood, E.
Object Type: Patent
System: The Portal to Texas History
Engineering Study of Water Injection in 14 Oil Reservoirs of North Louisiana (open access)

Engineering Study of Water Injection in 14 Oil Reservoirs of North Louisiana

Report issued by the Bureau of Mines over engineering studies of water injections in Louisiana oil reservoirs. As stated in the introduction, "this Bureau of Mines report presents operating practices and results of pressure maintenance and secondary recovery by water injection or by water injection supplemented by gas injection" (p. 1). This report includes tables, and maps.
Date: 1962
Creator: Meadows, Paul; Hawkins, Murphy E.; Weaver, L. K. & Jones, O. W.
Object Type: Report
System: The UNT Digital Library