Resource Type
Counties
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Boiler Compound
Patent for a boiler compound for purifying water in steam boilers, with ingredients included.
Date:
November 29, 1910
Creator:
Maule, John Quincey
System:
The Portal to Texas History
Pneumatic System for Automobiles.
Patent for a pneumatic system for automobiles for braking.
Date:
November 15, 1910
Creator:
Wallace, Robert S.
System:
The Portal to Texas History