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Safety-Catch for Mine-Cages
Patent for a safety catch to stop falling mine cages.
Date:
December 29, 1908
Creator:
Martini, Henry
System:
The Portal to Texas History
Syringe
Patent for a syringe. Illustrations included.
Date:
December 15, 1908
Creator:
Hill, Hiram McClung & Farrington, Charles Oliphint
System:
The Portal to Texas History