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Cavalry Rider Jumping Barbwire Fence
Copy negative of a US. army horse jumping a barbed wire fence in Ft. Riley, Kansas. Rider is wearing a uniform including a hat. There is a hill and tree in the background.
Date:
unknown
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
Well-Drilling Device.
Patent for well drilling device with new and useful improvements in well-drilling device for simultaneously drilling the main hole and an advance or "rat-tail" hole.
Date:
March 1, 1921
Creator:
Smith, Primus W. & Bookhout, John J.
Object Type:
Patent
System:
The Portal to Texas History
Well-Drilling Bit.
Patent for Well-Drilling Bit designed to cut faster, disassemble for easier sharpening, and reduce cost.
Date:
June 20, 1921
Creator:
Smith, Primus W.
Object Type:
Patent
System:
The Portal to Texas History
Drill-Bit
Patent for new improvement in drill-bits. The object of the invention is to "provide the driller with advanced knowledge of the formation into which he is about to extend his main hole".
Date:
January 11, 1921
Creator:
Smith, Primus W.; Bookhout, John J. & Monce, Edwin W.
Object Type:
Patent
System:
The Portal to Texas History