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Improvement in Corn and Cotton Planters.
Patent for a new mechanism by which corn planters may be converted into a machine for planting cotton.
Date:
July 16, 1878
Creator:
Clary, Stephen S. & Clary, John F.
System:
The Portal to Texas History
Pin for Engravers' Blocks.
Patent for a pin for engravers' blocks for holding items to be engraved on the block. It has grooves of various widths on the sides to fit different size objects.
Date:
July 16, 1907
Creator:
Martin, Joseph Clay
System:
The Portal to Texas History