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[Letter from John A. Marzola to John J. Herrera - 1961-10-30]

Description: Letter from John A. Marzola to John J. Herrer, handwritten in ink and dated October 30, 1961. The letter indicates that Marzola is awaiting Herrera's response and action regarding an incident of discrimination against the Latin American children at Columbus Elementary.
Date: October 30, 1961
Creator: Marzola, John A.
Item Type: Refine your search to only Letter
Partner: Hoston History Research Center at Houston Public Library

Colorado County

Description: Map of Colorado County, Texas, including the Prairies and Lakes region. Spanish grant lines and Colorado County boundaries are marked in color on map. The center of Colorado County is also marked on map. Scale ca. 1:133,334 (4000 varas per inch).
Date: October 12, 1864
Item Type: Refine your search to only Map
Partner: Texas General Land Office

Improvement in Windlass Water-Elevators

Description: Patent for an improvement in Chain-Wheels consisting "in the construction and arrangement of a device for drawing water from wells, which shall be cheap, convenient, and free from danger, as will be hereinafter more fully set forth."
Date: October 15, 1878
Creator: Knipscheer, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for improvement in churns by using an oblong box with a diamond-shaped dash fixed in the box. The churning is done by rapidly swing the box back and forth until butter is obtained. Illustration is included.
Date: October 8, 1872
Creator: Cottingham, Gideon W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Switch Operating Device

Description: Patent for a simple, inexpensive and efficient design for an operating switch for use on street-railway cars to enable a motorman to quickly throw a switch or set switch without leaving the platform of the car.
Date: October 15, 1901
Creator: Tanner, Calvin W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Flash-Lamp

Description: Patent for a flash lamp for taking photographs. Illustrations included.
Date: October 22, 1912
Creator: Harrington, David
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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