6 Matching Results

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Check-Punch. (open access)

Check-Punch.

Patent for a simple, inexpensive, and compact check-punch that can be operated by one hand and doesn't take much power to operate. The machine consists of two movable members, "one of which carries all of the male and the other all of the female dies, said members being so related that when moved relatively to each other in one direction all the male dies move as a single member...and enter the female dies, and when moved in the opposite direction all of said male dies are withdrawn" (lines 12-20).
Date: March 17, 1896
Creator: Woodworth, Charles H.
Object Type: Patent
System: The Portal to Texas History
[Letter from John J. Herrera to Mr. and Mrs. Roberto Vasquez - 1963-05-30] (open access)

[Letter from John J. Herrera to Mr. and Mrs. Roberto Vasquez - 1963-05-30]

Letter to Mr. and Mrs. Roberto Vasquez, typed and dated May 30, 1963. The letter discusses the convention of the League of United Latin American Citizens.
Date: May 30, 1963
Creator: Herrera, John J.
Object Type: Letter
System: The Portal to Texas History
[News Script: Gloves] (open access)

[News Script: Gloves]

Script from the WBAP-TV station in Fort Worth, Texas, covering a news story about El Paso boxing champions Pete Melendez and Jake Martinez traveling to Chicago for the Golden Gloves boxing semi-finals.
Date: March 8, 1956
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
Electromagnetic Ore-Separator. (open access)

Electromagnetic Ore-Separator.

Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date: February 16, 1909
Creator: Charlton, Thomas
Object Type: Patent
System: The Portal to Texas History
Journal-Bearing. (open access)

Journal-Bearing.

Patent for a journal-bearing that has an open spring ring that contains the journal and antifriciton devices in its center. The spring ring contracts to its minimum circumference when the journal and antifriciton devices are worn out. There is also a bearing-ring seat that allows contractions "without altering the disposition of the load" (lines 61-62).
Date: December 1, 1896
Creator: Woodworth, Charles H.
Object Type: Patent
System: The Portal to Texas History
Frame for Jaw Crushers (open access)

Frame for Jaw Crushers

Patent for "new and useful Improvements in frames for Jaw-Crushers (lines 8-9) including illustrations.
Date: March 25, 1919
Creator: Easton, William B. & Cole, David
Object Type: Patent
System: The Portal to Texas History