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Locomotive Brake-Shoe
Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date:
May 29, 1917
Creator:
Christensen, Jacob V. C. T.
System:
The Portal to Texas History
Rope-Socket.
Patent for rope socket "for use in connection with oil well drilling bits" (lines 13-14) "which can be quickly, easily and conveniently adjusted to provide a swivel or nonswivel socket as desired" (lines 16-19) including illustrations.
Date:
May 28, 1917
Creator:
McConnell, Scott Russell
System:
The Portal to Texas History
Cotton-Threshing Machine.
Patent for a cotton threshing machine with wheels designed to be constructed in the cotton field and easily moved to different parts of the field.
Date:
May 29, 1917
Creator:
Patterson, Warren A.
System:
The Portal to Texas History
Rotary Core-Drill.
Patent for a rotary drill for drilling into and removing solid core samples of hard formations encountered in deep oil wells. It is designed to remove the core sample intact so the composition of the formation can be analyzed.
Date:
May 1, 1917
Creator:
Smith, Thomas B.
System:
The Portal to Texas History