Knee and Head Block for Saw Mills. (open access)

Knee and Head Block for Saw Mills.

Patent for a new and improved knee and head block. This design consists, "with a saw-mill carriage, of a head-block extending flush with the outer edges of the tracks of said carriage and provided with the usual groove or recess extending the entire length of said head-block, a knee sliding in said groove and provided on its front vertical edge with a recess, and a log-supporter fitting flush within said recess and provided at its lower end with a forwardly-extending lug or projection" (lines 39-48).
Date: April 29, 1890
Creator: Willis, George F.
System: The Portal to Texas History
Well Pumping Apparatus (open access)

Well Pumping Apparatus

Patent for well pumping apparatus. This invention is designed for the improvement of pumping liquid from deep wells. Illustration included.
Date: September 29, 1908
Creator: Stephenson, William M.
System: The Portal to Texas History
Insect Destoyer (open access)

Insect Destoyer

Patent for an insect destroyer. "This invention relates particularly to that class of insect destroyers which contain pans of liquid into which the insects are shaken or enticed" (line 15-18). Illustration included.
Date: December 29, 1903
Creator: Sewell, James H.
System: The Portal to Texas History
Tool-Joint. (open access)

Tool-Joint.

Patent for improvements in a tool joint that has been adapted to connect sections of a drill used in drilling wells.
Date: June 29, 1920
Creator: Stafford, George A. & Stafford, Roy M.
System: The Portal to Texas History