Lifting-Jack. (open access)

Lifting-Jack.

Patent for an improved lifting jack, which "can be quickly placed beneath the axle of a vehicle and easily removed therefrom" (lines 14-16).
Date: September 1, 1903
Creator: Adair, Benjamin Lockett
System: The Portal to Texas History
Roller-Bearing Well-Wheel Pulley. (open access)

Roller-Bearing Well-Wheel Pulley.

Patent for an improved design for the roller-bearing well-wheel pulley.
Date: September 1, 1896
Creator: Taylor, John C.
System: The Portal to Texas History