Gate (open access)

Gate

Patent for gates "suspended on rollers and mounted on a track."
Date: May 5, 1914
Creator: Butler, Joseph F.
System: The Portal to Texas History
Reversing Mechanism For Engines. (open access)

Reversing Mechanism For Engines.

Patent for improvements in "reversing mechanism for engines, where the operating lever may be supported in such a manner as to substantially eliminate lost motion, and where the reverse lever may be operated with greater convenience and facility." (lines 11-17).
Date: December 5, 1916
Creator: Wagner, Warren
System: The Portal to Texas History