7 Matching Results
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Improvements in Joints for Railway Rails
Patent for improvements in box or "fish" joints for railroad rails.
Date:
May 28, 1872
Creator:
Wells, Jephthah
System:
The Portal to Texas History
Improvement in Stalk-Chopper
Patent for an improvement in corn and cotton stalk-choppers, allowing for the stalks to be turned under by the plow and prevent their interference with the machine.
Date:
May 21, 1872
Creator:
Richards, Augustus
System:
The Portal to Texas History
Improvement in Washing-Machines.
Patent for the improvement of washing machines, using two washboards. It includes a description and illustrations.
Date:
May 21, 1872
Creator:
Harper, William F.
System:
The Portal to Texas History
Improvement in Transplanters
Patent for an improvement in transplanters, intended for use in transplanting cotton or other plants.
Date:
May 28, 1872
Creator:
Cook, Henry C.
System:
The Portal to Texas History
Improvement in Nail-Extractors.
Patent for an improved instrument for extracting nails which "will increase its effectiveness in equal ratio with the resistance offered by the object under operation" (lines 13-16) including instruction and illustrations.
Date:
May 14, 1872
Creator:
Franklin, Edward A.
System:
The Portal to Texas History
Improvement in Seed-Planters
Patent for an improvement in seed-planters, which allows for adjusting to plant less or more seeds as desired.
Date:
May 21, 1872
Creator:
Richards, Augustus
System:
The Portal to Texas History
Improvement in Cotton-Bale Ties
Patent for an improvement in cotton-bale ties which consists of the construction of the loop-plate.
Date:
May 14, 1872
Creator:
Franklin, Edward A.
System:
The Portal to Texas History