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Improvement in railroad switches
Patent for an improvement in railroad switches, including illustrations.
Date:
October 22, 1872
Creator:
Fitzsimmons, Henry
System:
The Portal to Texas History
Improvement in Cooling Attachements in Barrels.
Patent for improved cooling attachements for larger-beer barrels.
Date:
October 22, 1878
Creator:
Hoerr, John
System:
The Portal to Texas History
Improvement In Circular-Saw Mills.
Patent for an improved Circular Sawmill with an " improved adjustable feed mechanism" (pg 1). Illustration Included.
Date:
October 22, 1872
Creator:
Jones, John B.
System:
The Portal to Texas History