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A Reconnaissance Report on the Geology of the Oil and Gas Fields of Wichita and Clay Counties, Texas
Report published in a scientific bulletin, describing the geology of the oil and gas fields that reside within Wichita and Clay counties in Texas. Index starts on page 292.
Date:
September 8, 1912
Creator:
Udden, Johan August, 1859-1932
Object Type:
Book
System:
The Portal to Texas History
Well-Drill Wrench.
Patent for a well drill wrench that is easily adjustable for different sized drill chucks. Its designs makes rotating the wrench smoother and less likely to slip off of drill chucks.
Date:
November 8, 1921
Creator:
Ellinger, William H.
Object Type:
Patent
System:
The Portal to Texas History
Sash Lock
Patent for a sash lock. This invention pertains to railway cars. Illustration included.
Date:
November 8, 1904
Creator:
Hughes, Henry B.
Object Type:
Patent
System:
The Portal to Texas History