Corn-Grinder (open access)

Corn-Grinder

Patent for a grinder of ordinary corn
Date: May 22, 1900
Creator: Zimmerman, Frank W.
Object Type: Patent
System: The Portal to Texas History
Texas Attorney General Opinion: O-3037 (open access)

Texas Attorney General Opinion: O-3037

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, Gerald Mann, regarding a legal question submitted for clarification: Validity of maturity schedule of bonds voted by the Claude Independent School District.
Date: January 22, 1941
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Switch (open access)

Switch

Patent for a switch. "This invention obviates likelihood of derailment by splitting the switches, so as to thereby secure a means for preventing the rolling stock from being thrown from the tracks." Illustration included.
Date: August 22, 1905
Creator: Hibbets, Charles M.
Object Type: Patent
System: The Portal to Texas History
Reproducing Device for Graphophones. (open access)

Reproducing Device for Graphophones.

Patent for a reproducing device for graphophones improving the objects that transmit sound to the horn or like element and provide a new means to mount the tone arm. It further improves the means for mounting the needle on the device.
Date: April 22, 1919
Creator: Adams, Henry Rolland
Object Type: Patent
System: The Portal to Texas History