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Dexter Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 1982
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 33.81 -96.94

Soil Survey of Grayson County, Texas

Description: Text describes the area, climate, agricultural history and statistics, soil-survey methods and definitions, soils and crops, land uses and agricultural methods, irrigation, and morphology and genesis of soils of Grayson County, Texas.
Date: 1980
Creator: Cochran, Rex; Cail, Charles & Putnam, Lee
Item Type: Refine your search to only Book

Board Roofing.

Description: Patent for a new design of roofing board. The wooden boards are designed to "contract and expand with changes of temperature" (para. 3) and to allow rain to run off without seeping into the joints of the boards.
Date: December 19, 1876
Creator: Zimmerman, Arnold W.
Item Type: Refine your search to only Patent

Improvement in Ventilators.

Description: Patent for improvement in ventilators which combines a bell-mouthed vane with white induction and black eduction pipes for the purpose of introducing fresh air and eliminating foul air from an enclosed area.
Date: December 21, 1875
Creator: Moyer, Alexander L.
Item Type: Refine your search to only Patent

Improvement in Double-Bitted Drills.

Description: Patent for "an easy mode of straightening wells while drilling them through rock or earth, and also for enlarging the same into a cistern when it is desired to keep on hand a large supply of water." (Lines 8-13) Includes instructions and illustrations.
Date: May 30, 1876
Creator: Yarbrough, William H.
Item Type: Refine your search to only Patent

Improvement in Rotary Churns.

Description: Patent for an improvement of the churn that is, "within a square wooden box, of a rotating dasher or paddle, and the mechanism for driving the same, that various parts being constructed, arranged, and operated" (lines 20-24). Illustrations included.
Date: February 20, 1877
Creator: Dean, Charles C.
Item Type: Refine your search to only Patent

Improvement in Leather-Cutting Gages

Description: Patent for improvement in leather cutting-gages in order to negate the need for the set-screw at the end of the gage handle that is needed to hold the rule. The document contains instructions and illustrations of the device.
Date: April 17, 1877
Creator: Lindsay, George F.
Item Type: Refine your search to only Patent

Improvement in Masks for Horses and Cattle.

Description: Patent for a slitted leather mask for animals to be used for horses, cattle, etc. to deter the jumping of fences. Patent for "mask, covering the eyes of the animal, leaves him with a sufficiently free vision, and being thoroughly ventilated, will not injure his eyes".
Date: July 10, 1877
Creator: Trueblood, Albert H
Item Type: Refine your search to only Patent

Improvement in Fire-Escapes.

Description: Patent for improving fire-escapes and provides a portable instrument that "may be used for letting persons directly down from buildings, or for carrying them from the upper stories of buildings to others buildings at a distance" (lines 9-12).
Date: August 28, 1877
Creator: Staples, George S.
Item Type: Refine your search to only Patent
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