Resource Type
Counties
2 Matching Results
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Ballot-Voting Machine
Patent for a ballot box that counts the number of votes in the box.
Date:
February 17, 1914
Creator:
Brown, Flora & Senez, Arthur
System:
The Portal to Texas History
Turbine-Motor
Patent for improvements in the construction and use of turbine motors.
Date:
February 19, 1918
Creator:
Smithey, Walter Duke
System:
The Portal to Texas History