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Inlet Control Valve for Flush Tanks (open access)

Inlet Control Valve for Flush Tanks

Patent for inlet control valve for flush tanks. Invention is indented to be an improvement on inlet control valves in flush tanks by decreasing noise levels.
Date: January 7, 1919
Creator: Wright, William
System: The Portal to Texas History
Improvement in Signals (open access)

Improvement in Signals

Patent for a signal for an exhaust pipe of an automobile. Essentially, this device would quiet exhaust noise leaving an automobile.
Date: February 26, 1919
Creator: Baker, James Slayton
System: The Portal to Texas History