3 Matching Results
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Roll for Cotton-Gins and Machines for Burring Wool
Patent for a roll for cotton gins or wool burring machines made of rubber and coconut husks that pulls the cotton seeds or burrs out.
Date:
October 1, 1912
Creator:
Huckaby, Grabel E. U.
System:
The Portal to Texas History
Duplex Water-Gage
Patent for a duplex water gage for train boilers.
Date:
October 1, 1912
Creator:
Ryan, John J.
System:
The Portal to Texas History
Boring-Tool
Patent for a boring tool that has both a bit and a reamer.
Date:
October 1, 1912
Creator:
Decker, Harry R.
System:
The Portal to Texas History