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Fuse carrier.

Description: Patent for a fuse "holder which carries a number of fuses, capable of being brought into proper position to provide a fresh fuse in the event of the burning or blowing out of one of the fuses" (lines 9-13). The carrier inside the holder is removable (line 15); as carried in this holder, the fuses are "held under strong tension," with a mechanism allowing easy retrieval of a "fresh fuse" if necessary (line 18).
Date: January 31, 1922
Creator: Burton, Frank M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dynamo-Electric Machine

Description: Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of… more
Date: January 10, 1922
Creator: Kuhn, Preston Holmes
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Water-Motor.

Description: Patent for a more powerful and efficient water motor which is durable and comparatively affordable to manufacture.
Date: August 16, 1921
Creator: Brady, Enoch J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mirror Support

Description: Patent for improvements in mirror supports are primarily adapted by travelers. The mirror can also be supported by an electric bulb and can also be turned at varying desired angles.
Date: March 14, 1922
Creator: Reavis, Jesse O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electric Water Heater

Description: Patent for improvements to electric water heaters adapted for heating small bodies of water. The interior walls of the cylinders in the heating unit are perforated so that water can freely circulate through and between them.
Date: February 7, 1922
Creator: Stephens, Richard M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Bird Tower 2, 2017]

Description: Photograph of a branch covered in berries hanging in front of a transmission tower. A small bird sits at the end of the branch. [2017, Dallas, TX]
Date: 2017
Creator: Doherty, Richard, 1951-
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

Conduit Electric Railway.

Description: Patent for a surface trolley for electric railways that operates "upon the surface of the pavement or ground between the tracks of the road, for connecting the car with the motor power, in place of the trolley and over head wires now suspended upon the unsightly poles in the center or at the sides of the street, which are found to be very objectionable on account of their obstructing the passageway in the streets and upon the side walks, and the wires preventing the free movement of fire compan… more
Date: April 11, 1893
Creator: de Voe, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Conduit Electric Railway.

Description: Patent for an underground conduit electric railway meant to propel cars. The conduit can be drained and kept dry, and a trolley attachment protects the conduit from dirt and water as well.
Date: December 5, 1893
Creator: de Voe, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Circuit Maker and Breaker

Description: Patent for automatic circuit maker and breaker that automatically cuts off the circuit to electric lights. Also for automatically completing circuits to said lights at the proper time
Date: November 2, 1915
Creator: Scholl, Max
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Atlas Metal Wall, 2003]

Description: Photograph of an electrical box with an "Atlas Metal Wks." sign on it. There is a shelf covered with office equipment to the right of the electrical box. A calendar hangs over the shelf, and a wooden drafting table stands underneath it. [2003, Dallas, TX]
Date: 2003
Creator: Doherty, Richard, 1951-
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

Automatic Telephone-Exchange System.

Description: Patent for "a simple system and arrangement which is especially adapted for a telephone exchange, which enables the instruments to be connected by a single wire, which dispenses with the use of an operator at the central station, which has automatic means for registering the messages sent by each subscriber, and which is provided with an automatic switching device by means of which one subscriber may connect with any other" (lines 10-19).
Date: December 5, 1893
Creator: Serdinko, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Mail and Parcel Delivery Apparatus

Description: Patent for a automated motorized mail delivery vehicle that travels in the air on electric lines on poles to deliver incoming mail and retrieve outgoing mail from rural routes or parcels in urban areas.
Date: March 5, 1907
Creator: Dederick, Zadoc P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[News Clip: Wind Tunnel]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: September 8, 1995, 6:00 p.m.
Duration: 1 minute 46 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections

Automatic Fuse Plug

Description: Patent for "improvements in automatic fuse plugs" (lines 12-12). These are "adapted to be successively engaged by a swinging contact arm" (lines 16-17).
Date: May 19, 1914
Creator: Bowman, Levi M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Apparatus for Protecting Electrical Circuits.

Description: Patent for an apparatus for protecting electrical circuits, and is an improvement on a previous patent (No. 537,932) issued to the inventor. This patent consists of "an electrical circuit, an alarm or indicator, a continuously-operating signal-transmitter at the protected structure operating to affect or influence the alarm or indicator, and a second or duplicate continuously-operating signal-transmitter located at the watchman's station, operating in unison with the first-named signal-transmit… more
Date: January 7, 1896
Creator: Oram, John M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Electric Switch

Description: Patent for an automatic electric switch. This invention consists of a series of switches and a rotary switch run by electromagnetic key operating motor. Illustration included.
Date: December 15, 1903
Creator: Guthrie, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Fire-Alarm.

Description: Patent for the automatic fire alarm system relates to a fusing wire that reacts to any heat or fire by closing circuit inside of the battery resulting in sounding off the alarm, and thus, improving the fire-alarm system structure.
Date: March 15, 1904
Creator: Fred, Mason K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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