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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

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

Seed Planter.

Description: Patent for a new and improved seed planter. This design consists in "[t]he combination, with the seed-hopper and seed-slide, of the stationary catch and elastic spring-catch, both secured to the hopper and arranged to grasp the head of the brush" (lines 60-64).
Date: October 25, 1881
Creator: Brooks, James Madison
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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