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Internal Combustion and Air Compressing Engine
Patent for internal combustion and air compressing engine. Illustration included.
Date:
October 19, 1909
Creator:
Risley, Ward & Risley, Zeph L.
System:
The Portal to Texas History
Rotary Reversible Engine
Patent for rotary reversible engine. Illustrations included.
Date:
October 19, 1909
Creator:
Risley, Ward & Risley, Zeph L.
System:
The Portal to Texas History
Clamp.
Patent for a new and improved clamp. This design "is for an improvement upon that class of inventions known as 'flooring jacks' or 'clamps,' and has for its object the lessening of labor for the attainment of the object or result which this is intended to perform, and the readiness and ease with which it can be manipulated" (lines 15-21).
Date:
June 19, 1883
Creator:
Sage, Eugene
System:
The Portal to Texas History