Improvement in Grinding-Mills (open access)

Improvement in Grinding-Mills

Patent for an improvement in grinding-mills, combining the operative mechanism with spindles - in which the both the grinding stones obtain relative surface speeds only half the actual speed of the stones.
Date: May 9, 1871
Creator: Hensley, Henry
Object Type: Patent
System: The Portal to Texas History
Texas Attorney General Opinion: C-359 (open access)

Texas Attorney General Opinion: C-359

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, Waggoner Carr, regarding a legal question submitted for clarification: Whether the Marshall-Harrison County Health District may be treated as an autonomous unit to the extent that lump sum contributions may be made by the County to such district without the necessity of using auditing process customarily used in connection with all other departments of the county governments.
Date: December 9, 1964
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: M-726 (open access)

Texas Attorney General Opinion: M-726

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, Crawford Martin, regarding a legal question submitted for clarification: May the Commissioners' Court of Harrison County provide funds for the defense of the Sheriff of its County, and his Deputies, in a civil rights action against them in U. S.District Court, South Dakota, under the stated facts.
Date: November 9, 1970
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Angle Cock Device (open access)

Angle Cock Device

Patent for "stop cocks for controlling the flow of fluids and more particularly to what are known as angle cocks for use in train pipes of air brake and other fluid pressure systems upon railway cars" (lines 8-13) including illustrations.
Date: March 9, 1915
Creator: Ellwood, Thomas B.
Object Type: Patent
System: The Portal to Texas History
Valve Mechanism For Steam Engines (open access)

Valve Mechanism For Steam Engines

Patent for useful improvements to the valve mechanism for steam engines. The invention allows an improved means for actuating the slide valve without the use of eccentrics. The valve can also be operated into closed positions at various degrees, and also to reverse the direction of travel of the valve.
Date: June 9, 1914
Creator: Wright, Ed W.
Object Type: Patent
System: The Portal to Texas History