Resource Type

Disk Plow (open access)

Disk Plow

Patent for Disk Plow
Date: September 15, 1903
Creator: King, Hugh M.
System: The Portal to Texas History
Dirigible Lamp for Vehicles. (open access)

Dirigible Lamp for Vehicles.

Patent for a device to turn the head of lamps on an automobile or similar vehicle with the turning of the steering wheel. Includes instructions and illustrations.
Date: September 8, 1914
Creator: Baker, George R.
System: The Portal to Texas History
Abstract-Book for County Records, &c. (open access)

Abstract-Book for County Records, &c.

Patent for a "book leaf or page for abstracting county and like records" (lines 12-14) with illustrations included.
Date: February 3, 1903
Creator: Lutz, John E.
System: The Portal to Texas History