4,608 Matching Results

Search Results

Advanced search parameters have been applied.
in subjects: "Science and Technology - Tools"  
prev Results: 49 - 72 next

AMCO Manufacturing

Description: Copy negative of a man sitting down working with a small tool at Amco Manufacturing building. In this image are machines, work tables and metal shavings on the floor.
Date: unknown
Item Type: Refine your search to only Photograph
Partner: Hardin-Simmons University Library

AMCO Manufacturing

Description: Copy negative of three men working on machines at the Amco Manufacturing building in Abilene, Texas. There are several machines on the work floor that are not being used.
Date: unknown
Item Type: Refine your search to only Photograph
Partner: Hardin-Simmons University Library

[Amplifier circuits]

Description: Photograph of an amplifier's circuits. Various wires can be seen within the machine. There are dials on the top part of the amplifier.
Date: 1962
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

Amusement Device.

Description: Patent for an invention relating to the amusement device. Advantages and illustrations of the invention and amusement device are included.
Date: May 15, 1917
Creator: Moore, Charles L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for an improved animal trap for “catching small animals in a trap which will be ever set and in operative position for catching an animal and which will be automatically reset” (lines 10-13), illustration is included.
Date: March 17, 1891
Creator: Bassinger, Stephen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for improvements in animal-traps that would be capable of catching two animals; to set the trap, bait is placed upon the hooked ends of the bait-hooks, the jaws are elevated and retained in a position by the link-catches, which have the lower hooked ends engaging the trigger, which has its free end engaging the eye at the inner end of the bait hooks, thus setting the trap, (lines 66-73) ready to catch animals. Illustration is included.
Date: May 5, 1891
Creator: Anderson, Henry Clay
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for a live animal trap that uses a trigger and allows for live bait. Wire fabric is used to prevent animals from digging and escaping.
Date: March 3, 1914
Creator: Herring, Henry H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for Improvements in Animal Traps. This trap is a "self and everset trap" (lines 11-12) with the primary purpose of creating a trap that is "efficient of operation, economical of construction, and sanitary" (lines 14-15).
Date: July 3, 1917
Creator: Burgett, William Matthews
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal-Trap

Description: Patent for improvements in animal traps, in particular mouse and rat traps. Illustrations included.
Date: June 19, 1917
Creator: Stockburger, Charles. W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal-Trap

Description: Patent for an animal trap which is to be sprung by the animal when the bait is touched. It is constructed in such a manner that the animal will be instantly killed. The metal parts of the trap are to create a strong and durable trap and to be manufactured at a small expense.
Date: April 5, 1921
Creator: Brewington, Philip Jennings
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Annunciator.

Description: Patent for improvement in annunciator by “providing a circuit-closing attachment for annunciators by means of which an electric lamp will be lit when the annunciator-drop falls.” (Lines 15-18) Illustration is included.
Date: October 20, 1891
Creator: Fouts, Lambert F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ant-Trap.

Description: Patent for ant traps that has a body portion with upper and lower inlet chambers. The trap is connected with the upper inlet chamber by a passage-way through which the ants may pass.
Date: December 19, 1911
Creator: Seifert, Adolf R. R. & Campbell, Bertha
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen