Automatic Railway-Gate. (open access)

Automatic Railway-Gate.

Patent for a "strong, durable, efficient, easy of operation, and simple and comparatively inexpensive to construct" (lines 20-23) automatic railway gate. It "is to provide a swinging gate and automatic means of particular construction for operating the gate" (lines 11-14), including illustrations.
Date: May 9, 1916
Creator: Turvan, Jim O.
System: The Portal to Texas History
Cotton-Seed-Grading Machine (open access)

Cotton-Seed-Grading Machine

Patent for a cotton seed grading machine. Illustrations included.
Date: May 19, 1908
Creator: Conner, John W.
System: The Portal to Texas History