Resource Type

Automobile-Jack (open access)

Automobile-Jack

Patent for an automobile jack that lifts the vehicle so that necessary repairs can be made and that relieves constant pressure of the tires.
Date: January 18, 1916
Creator: Davidson, Charles Edward
System: The Portal to Texas History
Measuring Instrument for Curved Surfaces (open access)

Measuring Instrument for Curved Surfaces

Patent for Measuring Instrument for Curved Surfaces
Date: December 5, 1916
Creator: Mckinney, Elnathan J.
System: The Portal to Texas History