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Description: Patent for a new and improved ventilator. This design is "to provide a ventilator which shall automatically accommodate or turn the collecting-hood thereof to the direction in which the wind is blowing, to collect and conduct fresh pure air into buildings, cars, &c.; to provide means for regulating the distribution of the air to the compartments or different parts of the buildings, &c.; to diminish the friction and wear between the swiveled collecting-hood and its supporting devices whereby said hood and its attached vane are enabled to turn more freely and readily" (lines 17-29).
Date: April 27, 1886
Creator: Sellars, James K.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Seed Planters.

Description: Patent for the improvement of the cotton-seed planter in the arrangement of the hopper, roller with stirring and feeding teeth attached while distributing seeds accurately, including illustration.
Date: December 27, 1859
Creator: Kesler, Charles & Reinhard, Fred
Partner: UNT Libraries Government Documents Department


Description: Patent for "...a tool embodying certain novel features and details of construction, as hereinafter fully described, illustrated in the drawings, and claimed" (lines 7-10) with illustration and descriptions.
Date: April 27, 1897
Creator: Hutchins, John Pearce
Partner: UNT Libraries Government Documents Department

[Letter from John A. Marzola to John J. Herrera - 1961-11-27]

Description: Letter from John Marzola to John J. Herrera, handwritten on lined paper and dated November 27, 1961. Marzola asks if Herrera will attend a meeting in Columbus, Texas, on December 3rd and informs him of the meeting that took place on November 19th. The envelope addressed to Herrera from Marzola is postmarked in Columbus, Texas, on November 27, 1961.
Date: November 27, 1961
Creator: Marzola, John A.
Partner: Houston Metropolitan Research Center at Houston Public Library

Adjustable Hoe

Description: Patent for improvement in "the construction of hoes and to provide a simple, practical, and inexpensive hoe, of strong and durable construction." (lines 11-13) including illustrations.
Date: July 27, 1915
Creator: Armstrong, John Joshua, Sr.
Partner: UNT Libraries Government Documents Department