UNT Libraries Government Documents Department - 36 Matching Results

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Canutillo 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 1:62500
Date: 1919
Creator: United States. Army. Corps of Engineers.
Item Type: Refine your search to only Map
Location: 31.88 -106.62

Can Opener.

Description: Patent for "a can opener intended for use in removing or cutting the closures or tops from cans or other sheet metal receptacles." [lines 8-11]
Date: November 25, 1919
Creator: Crawford, Hezekiah H.
Item Type: Refine your search to only Patent

Windmill

Description: Patent for a windmill that rotates on a vertical and horizontal axis. The blades are mounted to stop in order to prevent damage to the windmill should pressure occur.
Date: November 11, 1919
Creator: Brown, Archie Edwards
Item Type: Refine your search to only Patent

Windmill.

Description: Patent for a windmill with vanes that can compensate for varying wind speeds without being damaged by high winds.
Date: October 21, 1919
Creator: Ochoa, Victor Leaton
Item Type: Refine your search to only Patent

Lacing-Eyelet.

Description: Patent for the improved construction and efficiency of a Lacing-Eyelet. The device is used for supporting lacing in fashion wear, including shoes and corsets. Improvements include providing quicker implementation of the device without risk of damaging the garment it is used on. Additional improvements include the device having uniform and interchangeable parts which can be manufactured in quantities so as to be easily replaced if necessary. Accompanied with illustrations.
Date: April 8, 1919
Creator: Langford, Joseph O.
Item Type: Refine your search to only Patent

Lamp Attachment

Description: Patent for a new and improved Lamp Attachment which instantaneously extinguish lamp mechanically, without necessitating the employment a person's breath or the elevation of the lamps chimney.
Date: July 8, 1919
Creator: Rodriguez, Gavino
Item Type: Refine your search to only Patent

Projecting-Machine.

Description: Patent for improvements to a projector that relate to advertising. The inventor references adjustments to a previous patent, No. 1069521 from August 5, 1913. Adjustments include making the device more accurate and reliable, and to adapt it to be able to display opaque surfaces, postcards, and other printed items during any time of day. Additionally, the revoluble slide magazine has a mechanism that allows it to operate continuously without assistance from the operator.
Date: October 7, 1919
Creator: Bernard, Oscar C.
Item Type: Refine your search to only Patent

Engine.

Description: Patent for a rotary engine with a coupled rotary shaft and piston. This engine uses a lubricant for keeping parts of the engine cool, including illustrations.
Date: April 29, 1919
Creator: Sheridan, Leslie M.
Item Type: Refine your search to only Patent

Paper-Clip

Description: Patent for an improved paper-clip "which is extremely simple in construction, permitting ease of manipulation and the manufacture thereof at a greatly reduced cost" (lines 12-14).
Date: September 2, 1919
Creator: Lea, Thomas
Item Type: Refine your search to only Patent

Tatting-Shuttle.

Description: Patent for an improvement in shuttles for making tatting which both winds the thread and uses spring tension to prevent it from unwinding, including illustrations and instructions.
Date: June 17, 1919
Creator: Houseman, George Alfred
Item Type: Refine your search to only Patent

Punture-Healing Composition.

Description: Patent for "improvements in puncture healing compounds". A beeswax, paraffin, rosin, and linseed oil mixture will be injected into the innertube or other air compartment of a "pneumatic tire" and will repair any punctures without deteriorating the material of the inner tube.
Date: April 1, 1919
Creator: Weaber, Marie R. & Clemens, Hermann
Item Type: Refine your search to only Patent

Grade-Indicator.

Description: Patent for a grade indicator designed for land, air, and sea vehicles. It provides both lateral and longitudinal inclination with a simple construction.
Date: January 7, 1919
Creator: Shemeley, Jesse B. & Shemeley, Marion E.
Item Type: Refine your search to only Patent

Rotary Engine

Description: Patent for a rotary engine to be used as "a pump for liquids, as an air compressor, as a vacuum pump and for other purposes"(lines 10-12) including instructions for assembly and illustrations.
Date: April 29, 1919
Creator: Sheridan, Leslie M.
Item Type: Refine your search to only Patent

Film for Cameras.

Description: Patent for photographic film that contains alternating sensitized and non-sensitized sections for the purpose of creating an initial exposure view as a guide to use when taking a subsequent actual photograph.
Date: August 5, 1919
Creator: Sartorius, Oton; Gándara, José F. & Colonna, Benito
Item Type: Refine your search to only Patent
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