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Casing-Elevator.
Patent for a casing elevator used to remove casings of various diameters from wells. The main specialty of this invention is the use of hinged sections containing pivoted jaws to clamp around the casings.
Date:
November 8, 1921
Creator:
Boyter, Arthur J.
Object Type:
Patent
System:
The Portal to Texas History
Animal-Trap
Patent for an animal trap which is to be sprung by the animal when the bait is touched. It is constructed in such a manner that the animal will be instantly killed. The metal parts of the trap are to create a strong and durable trap and to be manufactured at a small expense.
Date:
April 5, 1921
Creator:
Brewington, Philip Jennings
Object Type:
Patent
System:
The Portal to Texas History
Temple Sheet
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date:
1921
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History