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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
Water-Heater.
Patent for a water heater for use in creating steam for oil and gas boilers, which heats faster than previous models.
Date:
April 5, 1910
Creator:
Hardie, Jeffie Watkins
System:
The Portal to Texas History
Pump-Jack
Patent for a pump jack for operating the oil well pump rods.
Date:
April 23, 1912
Creator:
Seybert, Guy W.
System:
The Portal to Texas History