Resource Type

Boiler Compound (open access)

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. (open access)

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