Resource Type
States
4 Matching Results
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Improvement in Damping-Rollers.
Patent for an improvement of copying-roller through "moistening the leaves of letter-books to take impressions" (lines 15-17), with illustration.
Date:
August 20, 1878
Creator:
Brown, John Anderson
System:
The Portal to Texas History
Improvement In Cotton-Cultivators.
Patent for improvements in cotton-plant cultivators.
Date:
July 20, 1878
Creator:
Harvey, William W.
System:
The Portal to Texas History
Improvement in Breech-Loading Fire-Arms.
Patent for improved maneuvering and loading of firearms while riding horseback.
Date:
July 20, 1878
Creator:
Morrison, John T.
System:
The Portal to Texas History
Improvement in Car-Journal Coolers
Patent for improvement of car-journal coolers on railroad-vehicles, with illustration.
Date:
August 20, 1878
Creator:
Morris, Robert C.
System:
The Portal to Texas History