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Railway-Track Construction
Patent for a railroad tie. Illustration included.
Date:
April 16, 1907
Creator:
King, Alphonse
System:
The Portal to Texas History
Trap
Patent for a trap for rodents. The invention consists of multiple doors for actuation by the weight of the rodent. Illustration included.
Date:
April 16, 1907
Creator:
Yturri, Henry
System:
The Portal to Texas History