Resource Type

Well Mechanism (open access)

Well Mechanism

Patent for a well mechanism. Illustration included.
Date: December 1, 1908
Creator: Layne, Mahlon E.
System: The Portal to Texas History
Gage (open access)

Gage

Patent for a gage in use with locomotive driving wheels of the axles, bushings, brasses, crank-pins, and wheel parts. Illustration included.
Date: December 1, 1903
Creator: Melvin, Josiah W.
System: The Portal to Texas History
Roller Boring-Drill. (open access)

Roller Boring-Drill.

Patent for a boring-drill that can be manufactured cheaply. It provides sufficient space for the casing to follow it in order to prevent the walls from caving in. The patent includes instructions and illustrations.
Date: December 1, 1914
Creator: Hughes, Howard Robard
System: The Portal to Texas History
Roller Boring-Drill. (open access)

Roller Boring-Drill.

Patent for an improved Roller Boring-Drills to provide a strong drill that reach the bottom of hole and can be manufactured for low cost.
Date: December 1, 1914
Creator: Hughes, Howard R.
System: The Portal to Texas History