Vacuum Electric-Arc Furnace. (open access)

Vacuum Electric-Arc Furnace.

Patent for "an improved electric furnace having means to positively insure the thorough fusion or reduction of the substances placed therein without loss due to combustion or the oxidation of such substances, while at the same time providing an effective distribution of the heat and the prevention of the loss of carbon by combustion" (lines 17-25). Includes instructions and illustrations.
Date: June 1, 1897
Creator: Eldridge, Hilliary; Wright, George Hudson & Clark, Daniel J.
Object Type: Patent
System: The Portal to Texas History
Texas Attorney General Opinion: H-1169 (open access)

Texas Attorney General Opinion: H-1169

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, John L. Hill, regarding a legal question submitted for clarification: Composition of the Galveston County Juvenile Board.
Date: June 1, 1978
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Gun or Rifle. (open access)

Gun or Rifle.

Patent for gun or rifle that automatically dislodges shell casing and replaces it with a new bullet, instead of requiring manual ejection of shell casing and reloading of bullet.
Date: June 1, 1915
Creator: Douglas, William M.
Object Type: Patent
System: The Portal to Texas History