Resource Type

Device for Converting Motion. (open access)

Device for Converting Motion.

Patent for device that converts "motion of the piston-rod in steam engines into a rotary motion" (lines 10-11).
Date: January 29, 1884
Creator: Catlin, Eli
System: The Portal to Texas History
Dirigible Headlight. (open access)

Dirigible Headlight.

Patent for dirigible headlights for automobiles which pivot in the direction of steering while maintaining an independent tilt adjustment.
Date: January 14, 1919
Creator: Crumpton, Enoch M.
System: The Portal to Texas History