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Spark-Arrester.

Description: Patent for concepts and designs used to improve performance of Spark-Arresters used in the smoke stacks of locomotives with illustrations and instructions.
Date: April 6, 1880
Creator: Wiggin, John E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for "construction and arrangement of arrow-shaped draw-heads and lever-bars adjustable upon rack-bars for the purpose of raising and lowering the draw-heads" (lines 16-20)including instructions and illustrations.
Date: April 20, 1880
Creator: Gray, John D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Letter from Ulrich Brothers to W. A. Whitburn, April 14, 1949]

Description: Letter from Ulrich Brothers to W. A. Whitburn discussing the shipping of Mr. Whitburn's order for a spindle, a top bearing, spring and lower bushing as well as additional parts for a Seperator. Mr. Ulrich tells him the old grease will have to be replaced for the parts to help and request that the broken parts and any unused ones be sent back.
Date: April 14, 1949
Creator: Ulrich Brothers
Item Type: Refine your search to only Letter
Partner: Rosenberg Library
captions transcript

[News Clip: Parking lift]

Description: Video footage from the WBAP-TV station in Fort Worth, Texas to accompany a news story about a demonstration of an elevated parking lift device in Dallas designed to increase the capacity of parking lots.
Date: April 26, 1956
Duration: 58 seconds
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections

[News Script: Space Center]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story about 4 veteran cosmonauts who arrived at the LBJ Space Center near Houston.
Date: April 15, 1974, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections

[News Script: Shell]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story about the cost of the Shell gasoline which is going up almost a nickel a gallon.
Date: April 29, 1974, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections

[News Script: Shell]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story about Shell oil company which is increasing its wholesale gasoline prices four and eight-tenths cents a gallon beginning.
Date: April 30, 1974, 6:30 a.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections

Wrench

Description: Patent for a wrench. Illustration included.
Date: April 17, 1906
Creator: Hall, Samuel N. & Lawlor, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Line-Shaft Oiler

Description: Patent for improvements to line-shaft oilers to more easily oil bearings and prevent oil waste.
Date: April 2, 1918
Creator: Collins, Joseph P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Liquid or Gaseous Fuel Burner.

Description: Patent for a fuel burner with a simple design, which is readily taken apart or assembled, and is manufactured at a comparatively small cost.
Date: April 15, 1913
Creator: Vandaveer, Heber Clark & Stoy, Guy Everett
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus.

Description: Patent for drilling well apparatuses that approximate the weight imposed so that the weight can be regulated to improve efficiency, including instructions and illustrations.
Date: April 28, 1914
Creator: Hughes, Howard R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Turning-Tool for Bale-Band Fasteners.

Description: Patent for a new and useful turning-tool for bale-band fasteners “which can be readily applied to and removed from the fastener, while at the same time providing positive means for exerting a powerful leverage upon the turning or winding element of the fastener to insure the taking up of a maximum amount of slack in a bale-band with a minimum movement.” (Lines 15-22.) Illustration is included
Date: April 2, 1901
Creator: Campbell, Douglas M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Spark-Conductors for Railroad-Trains.

Description: Patent for improvement in spark-conductors for railroad trains by using a “horizontal flue in sections and use “other devices to engage and disengage the sections, where by to arrest and extinguish sparks and conduct the smoke, ashes, and cinders to the rear.” (Lines 16-20) Illustration is included.
Date: April 27, 1869
Creator: Wright, Reuben
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tie-Plate.

Description: Patent for Tie-Plate, which is an improvement on rail ties for railroad use. The Tie-Plate is a "single piece of material", providing a "rail supporting surface" (pg. 2, lines 13-17). Ribbing in the plate, allow for adjustable height to support the rails and a seat for the spikes.
Date: April 22, 1913
Creator: Clarke, Marcus S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tie-Plate.

Description: Patent for imrpoved tie plates that will prevent the rails from wearing down the ties.
Date: April 25, 1916
Creator: Barnes, Ned E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Suspender Clip

Description: Patent for a clamp, used primarily for fastening the shoulder straps of overall garments but can also be used for suspenders for supporting trousers. Includes illustrations.
Date: April 11, 1916
Creator: Murray, Richard H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Wrench.

Description: Patent for a pipe wrench that can be "operated in either direction" (line 18) to screw and unscrew a pipe with an easy application and secure grip.
Date: April 27, 1920
Creator: Nixon, Jeddy D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Polishing-Machine

Description: Patent for improvements in polishing machines for "polishing marble and other similar stones... and giving a smooth surface to any material of like character." Invention provides a "movable abrading member...and comprehends and mechanism whereby said member may be automatically moved back and forth over the surface to be polished."
Date: April 6, 1915
Creator: Giesberg, John G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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