157 Matching Results

Search Results

Results: 1 - 24 next

Anal Speculum.

Description: Patent for a new and improved anal speculum. This design is "to so construct the several parts that there will be no rough or raised edges to interfere with its insertion in the anal passage; secondly, to so construct [the] improved speculum that it may be readily used as a bi-valve or dilator; thirdly, to form a locking-joint on the meeting edges of the shells forming the speculum, whereby the sections are prevented from overlapping each other to avoid pinching or injury to the walls of the an… more
Date: March 25, 1890
Creator: Shuford, Quincy Adams
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clothes Hook.

Description: Patent for a new and improved clothing hook. This design utilizes elastic, vulcanized rubber end-pieces for the hooks to hold the article of clothing more effectively. These end-pieces can be produced more cheaply than their threaded-metal counterparts, which require screwing on.
Date: March 29, 1881
Creator: Delany, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Harper's Weekly: Camp Ford, Texas Sketch]

Description: Hand-colored print of the Civil War camp, Camp Ford taken from an 1865 issue of Harper's Weekly, page 132. Camp Ford, located near Tyler, Texas was established in 1863 as a Confederate prison camp during the Civil War. Over the course of two years, the camp held about 6,000 prisoners and was one of the largest Confederate prison camps west of the Mississippi River.
Date: March 4, 1865
Creator: Simmons, G. W.
Item Type: Refine your search to only Artwork
Partner: Star of the Republic Museum

Truss.

Description: Patent for improvements to trusses, which uses "a pair of spring hangers each carrying a pad of particular construction and arrangement" (lines 9-11). Patent includes instructions and illustrations.
Date: March 14, 1916
Creator: Gilmore, Aaron W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Switch.

Description: Patent for a switch mechanism for use on railroads. The switch can be installed without cutting the railroad tracks. Instructions and illustrations are included.
Date: March 20, 1917
Creator: Allen, Gus V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Guard-Rail Clamp.

Description: Patent for guard rail clamps to securely clasp guard rails with the main rail with features such as spikes and braces.
Date: March 12, 1912
Creator: Akers, Harry R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Screw-Jack.

Description: Patent for a simple, efficient, and economical lifting jack "which is particularly designed for removing and replacing the brasses in the journal boxes of freight, passenger and other railway cars, and which is so constructed that it can bear against the shoulder formed by the concave part of the car wheel in proximity to the tread and thus avoid the employment of special blocking for the jack, thereby enabling it to be quickly set and operated at any place without preparation of blocking as a … more
Date: March 7, 1893
Creator: Quinn, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shirt-Starching Machine.

Description: Patent for improvements in shirt-starching machines by using a combination of a shirt holding device having an oscillatory motion for one-fourth of a full revolution, and a semi-cylindrical starch-holding receptacle with longitudinal rubber bottom; when the shirt-holder is turned, shirts are crowded into the compartments, with the bosoms and wristbands hanging outside. When the door is closed, shirt-bosoms and wristbands are thoroughly starched. Illustration is included.
Date: March 24, 1891
Creator: Herndon, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railroad-Splice.

Description: Patent for an improved railway rail joints that consists of cross-ties, rails with the top flanges of the ends cut away, a joint plate, and bolts.
Date: March 21, 1893
Creator: Quinn, William & Berry, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Brake.

Description: Patent for automatic wagon brake which removes the strain on draft animals when the vehicle is descending down an incline.
Date: March 3, 1914
Creator: Matthews, Dudley A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen