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  Partner: UNT Libraries Government Documents Department
 County: Bexar County, TX
Refrigerating Apparatus.

Refrigerating Apparatus.

Date: May 12, 1885
Creator: Conacher, Alexander
Description: Patent for a new and improved refrigerator. This design consists "[i]n a refrigerating apparatus, the combination of a trap cylinder communicating with a horizontal cylinder which unites two vertical piston-cylinders, said piston-cylinders having suction and compression valves arranged at their upper ends in a cap having separate communications with suction pipes with compression-pipes communicating with said trap-cylinder" (lines 44-52).
Contributing Partner: UNT Libraries Government Documents Department
Refrigerating Apparatus.

Refrigerating Apparatus.

Date: January 19, 1897
Creator: Cooley, Joseph H.
Description: Patent for a refrigerator that cools things "with the minimum expense for refrigerants; also, for affording ready access to the refrigerated substances" (lines 19-21). The cabinet has an outer layer, an inner layer, and a cooling layer. Ice is used to achieve lower temperatures.
Contributing Partner: UNT Libraries Government Documents Department
Refrigerating Machine.

Refrigerating Machine.

Date: March 16, 1886
Creator: Schuhle, Jacob
Description: Patent for a new and improved refrigerator. This design "relates to that class of refrigerating or ice-making machinery wherein a liquefiable gas . . . is introduced into a compression-pump and is compressed to a state of liquefaction, the pressure being subsequently removed, the liquefied refrigerating agent expands with rapidity . . . and, the frigorific' effects produced by the volatile liquid again assuming its gaseous state, is utilized for absorption of heat; and the invention consists in certain improvements in the construction of the gas-compressor and its adjuncts" (lines 10-23).
Contributing Partner: UNT Libraries Government Documents Department
Revolving Sand Drag

Revolving Sand Drag

Date: December 14, 1897
Creator: Murphy, James
Description: Patent for a new and useful improvements in revolving sand drags. This design is to "provide a machine of this character by means of which the sand-bars in formed in rivers" (line 12-14)
Contributing Partner: UNT Libraries Government Documents Department
Road-Pavement.

Road-Pavement.

Date: June 12, 1894
Creator: Bowen, George R.
Description: Patent for "an improvement in the construction of road pavements, and has for its objects to provide a novel, simple, and comparatively inexpensive method and means for the speedy and convenient construction of a road bed, which will be smooth, durable, easy to travel upon, be readily repaired, avoid becoming slippery, that will not cut into ruts but preserve its normal condition, that will shed water in a large degree but retain a proper amount of moisture, and be non-liable to displacement by the action of frost." (Lines 7-19) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Rotary Engine.

Rotary Engine.

Date: September 8, 1891
Creator: Stocker, James M. & Stocker, Ziba O.
Description: Patent for improvements in rotary engines to allow for the expansion of steam after admission and minimum leakage in order to provide an engine that is capable of long-continued use with a minimum of wear and working friction (lines 15-22), including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Saddletree.

Saddletree.

Date: March 20, 1900
Creator: Loeloff, George
Description: Patent for certain new and useful improvements in saddletrees, including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Safety Oil-Can

Safety Oil-Can

Date: February 23, 1886
Creator: Steeneken, Diedrich
Description: Patent for a safety oil can. There are two items that are described in the figures. The first is intended to "prevent the contents of the can from becoming inflamed" and the second is to "provide a can from which oil may be poured into a blazing fire without danger from lighting and exploding the oil" (p. 6).
Contributing Partner: UNT Libraries Government Documents Department
Saint Hedwig Quadrangle

Saint Hedwig Quadrangle

Date: 1992
Creator: Geological Survey (U.S.)
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
Contributing Partner: UNT Libraries Government Documents Department
Saint Hedwig Quadrangle

Saint Hedwig Quadrangle

Date: 2010
Creator: Geological Survey (U.S.)
Description: Satellite image 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
Contributing Partner: UNT Libraries Government Documents Department