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[Jennifer McDonald holding chain]

Description: Photograph of Jennifer McDonald, a member of the Teach North Texas team, standing by a closed door and holding a three link chain with rope attached to it. She is attending the annual UTeach Conference in Austin, TX.
Date: [2010-05-25..2010-05-27]
Partner: UNT Libraries Special Collections

Door.

Description: Patent for a door "that can be secured in either open or closed position either from the exterior or interior of the building on which the door is mounted" (lines 9-12) including instructions and illustrations.
Date: May 19, 1914
Creator: Niemann, Otto
Partner: UNT Libraries Government Documents Department

School Auditorium/Gymnasium, Hawley, Texas: Miscellaneous Details

Description: Detail plan for a school auditorium/gymnasium in Hawley, Texas. It includes detail of typical steel window, detail of interior/exterior door jamb, detail of borrowed light sash, detail of typical shower stall, F.S. trim details, F.S. detail of doors, detail of chair truck, and details of sections.
Date: May 31, 1931
Creator: David S. Castle Co.
Partner: Tittle-Luther/Parkhill, Smith and Cooper, Inc.

First Baptist Church, Rule, Texas: Side Elevation and Section Drawings

Description: Elevation plan for First Baptist Church in Rule, Texas. It includes a large drawing of the side elevation of the building as well as a drawing of a cross section looking through the church. Also included are drawings detailing interior trimming, doors, brackets, etc.
Date: May 15, 1924
Creator: David S. Castle Co.
Partner: Tittle-Luther/Parkhill, Smith and Cooper, Inc.

Electrically-Operated Latch and Door

Description: Patent for electrically operated latch and door " and particularly to a construction for primarily operating a latch to release the door, the movement of which latch establishes circuit through a door-opening mechanism.(lines 11-15)
Date: May 19, 1903
Creator: Chambers, Jr., Joseph
Partner: UNT Libraries Government Documents Department

Latch.

Description: Patent for a latch for swinging doors, which can be operated from either side of the door.
Date: May 18, 1909
Creator: Lewis, Oliver
Partner: UNT Libraries Government Documents Department

Door Hanger.

Description: Patent for a new and improved hanger for doors and gates. This design consists in "the brackets secured to a door or gate way at intervals apart and having the horizontal supporting arms, the track made of angle-iron and having the horizontal treadway secured to the arms of the brackets, and the upwardly-extending flange at the outer edge of the treadway, and the hangers secured to the door or gate and having their upper portions bent to form an inverted U-shaped yoke or frame, and rollers journaled between the sides of the frame" (lines 80-91).
Date: May 17, 1887
Creator: Charlton, James
Partner: UNT Libraries Government Documents Department

Car Door.

Description: Patent for a new and improved door for railroad cars. This design consists in "[t]he combination, with the car having the door-opening with its upper and lower edges parallel and inclined upward and inward, and the bolt-keeper secured to the sill of the car, of the door having correspondingly-inclined upper and lower edges, the guide-staple and fulcrum-bracket secured to the door at proper points, the operating-lever pivoted to said bracket, the link-rods and bolt, the [other] link-rod pivoted at its lower end to the operating-lever" (lines 4-14).
Date: May 28, 1889
Creator: Charlton, James
Partner: UNT Libraries Government Documents Department

Door-Spring.

Description: Patent for simple, inexpensive, and durable door springs meant to hold a door in place, and can be easily used.
Date: May 22, 1894
Creator: Wilson, James L.
Partner: UNT Libraries Government Documents Department

Feeding-Chamber and Door for Baling-Presses.

Description: Patent for a feeding chamber and door for baling presses that vertically extends so that "the feed material need not be tucked down by hand or foot to a level of the baling chamber, as this is accomplished by the door being closed down, a lever and weight can be attached to the door to properly depress the material to allow the door to latch, and as the door prevents the material from bulging up the compressing can be accomplished direct in the feeding chamber, the plunger need not pass but a short distance beyond the feeding chamber thus requiring less movement of the plunger and thus gaining more power" (lines 23-35).
Date: May 9, 1893
Creator: Schubert, George
Partner: UNT Libraries Government Documents Department

Elevator-door-operating Apparatus

Description: Patent for an electrically controlled means of automatically "opening and closing the doors of the elevator shaft" without slamming or banging the doors, including illustrations.
Date: May 18, 1915
Creator: Pitts, Hood & Covert, Frank M.
Partner: UNT Libraries Government Documents Department

Threshold

Description: Patent for an improved threshold to fit the bottom of a door more properly to "prevent the entrance of dust, wind, and rain" (lines 16-17).
Date: May 11, 1915
Creator: Krause, Ernest
Partner: UNT Libraries Government Documents Department