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Journal Box (open access)

Journal Box

Patent for an improved journal box design intended to reduce the risk of oil leaking from a locomotive's axle.
Date: March 11, 1919
Creator: Davis, L. L.
System: The Portal to Texas History
Sectional Pneumatic Tire (open access)

Sectional Pneumatic Tire

Patent for a sectional pneumatic tire design.
Date: March 11, 1919
Creator: Chandler, Chester C.
System: The Portal to Texas History