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Car-Coupling.
Patent for "an automatic link-coupler which shall embody strength, simplicity, certainty of action, and adaptability for manipulation without entering between the cars and without necessity of relieving strain." (Lines 9-13) Includes instructions and illustrations.
Date:
June 29, 1897
Creator:
Martin, David D.
Object Type:
Patent
System:
The Portal to Texas History
Texas Attorney General Opinion: O-7469
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Grover Sellers, regarding a legal question submitted for clarification: Does the Junior College District which is co-extensive with the boundaries of Tom Green County have the authority to tax the intangible assets of railroad rolling stock?
Date:
October 29, 1946
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Valve-Gear.
Patent for a horizontally arranged cylinder that when used would bear no wear indefinitely. The cylinder was made specifically for steam engines.
Date:
June 29, 1915
Creator:
Burrow, Edgar A.
Object Type:
Patent
System:
The Portal to Texas History
Governor
Patent for Governor that improves upon a speed controlling mechanism, specifically for controlling a reciprocating element like an engine piston, including illustration and instructions. This application is a division of an earlier application (Serial Number: 843, 812 submitted June 08, 1914).
Date:
June 29, 1915
Creator:
Burrow, Edgar A.
Object Type:
Patent
System:
The Portal to Texas History
Engine.
Patent for new steam engine design with illustrations
Date:
June 29, 1915
Creator:
Burrow, Edgar A.
Object Type:
Patent
System:
The Portal to Texas History
Draft Device
Patent for a draft device for agricultural machines. Illustrations included.
Date:
November 29, 1910
Creator:
Dowdy, Ewell Monroe
Object Type:
Patent
System:
The Portal to Texas History
Cultivator
Patent for a cultivator. Illustrations included.
Date:
November 29, 1910
Creator:
Dowdy, Ewell Monroe
Object Type:
Patent
System:
The Portal to Texas History