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Improvement in Windmills.
Patent for "new and useful Improvements in Windmills" (lines 5-6) including illustrations.
Date:
September 28, 1875
Creator:
Stephens, Lawrence E. & Shay, Samuel F.
System:
The Portal to Texas History
Improvement in Wash-Boilers.
Patent for "a new and valuable Improvement in Wash-Boilers" (lines 4-5) including illustrations.
Date:
September 28, 1875
Creator:
Mackli, Frank
System:
The Portal to Texas History
Improvement in Locomotive Earth-Excavators.
Patent for "an earth-excavator, principally for use in making the road-beds for railroads, which shall not only do its work continuously, but which shall be equally efficient in throwing up an embankment or in making a deep cut." (Lines 8-12) Includes instructions and illustrations.
Date:
December 28, 1875
Creator:
Hawley, Abel
System:
The Portal to Texas History