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Well-Drilling Apparatus
Patent for a well-drill swivel designed to improve the function of a well-drilling apparatus. The improved swivel is meant to create a better connection between rod and rope and prevent twisting of water-supply.
Date:
June 5, 1906
Creator:
Hall, Samuel N.
System:
The Portal to Texas History
Steam-Trap
Patent for " a improved steam-separating trap or steam-eliminator for obtaining a supply of dry steam to an engine or like machinery" (lines 7-10 including instructions and illustrations.
Date:
June 5, 1900
Creator:
Guild, George
System:
The Portal to Texas History
Motor.
Patent for improvements in motors designed for motor-vehicle operation. Cheaper manufacture and less expensive fuel are included as claimed improvements.
Date:
June 5, 1916
Creator:
Edwards, Charles R.
System:
The Portal to Texas History