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Meter.
Patent for a meter measuring the flow of liquid with a dial indicating gallons per hour for use in vehicles with internal combustion engines.
Date:
April 21, 1914
Creator:
Carroll, William G.
System:
The Portal to Texas History
Friction-Clutch
Patent for friction clutch (used in automobiles) that would allow better control over rotary parts, even when driving in reverse. The improved control is partially due to the inclusion of a tension device unique to this clutch.
Date:
July 21, 1914
Creator:
Barry, David Redmond
System:
The Portal to Texas History