UNT Libraries Government Documents Department - 1,241 Matching Results

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01096683

Description: Patent for new and useful Internal-Combustion Engine. Improves the provision of an engine which the cylinder is provided with a semi-spherical upper end, fr the rotatable reception of similar shaped power cylinder carrying shell.
Date: May 12, 1914
Creator: Clough, George G.

Aeroplane.

Description: Patent for an aeroplane which is a device that is able to travel through the air due its shape and the reaction from atmosphere and gravity.
Date: December 16, 1913
Creator: Hanna, John G.

Life-Saving Device.

Description: Patent for a collapsible life-saving device that can be stored in little space on a ship or dock and unfolded quickly for use as a flotation device for several persons.
Date: March 18, 1913
Creator: Bradford, Thomas C.

Floor-Sweeping Compound

Description: Patent for an improved floor-sweeping compound which changes the traditional woody filler with a less flammable and more absorbent mineral wool filler.
Date: April 1, 1913
Creator: Boddeker, James A.; Stratford, John E. & Sealy, George

Miner's Lamp.

Description: Patent for a miner's lamp with a combustion chamber that allows for the regulation and extinguishing of the flame. It is designed to be lightweight and cheap to manufacture.
Date: July 29, 1913
Creator: Sallander, Carl G.

Projectile

Description: Patent for Projectile. "The present invention relates to projectiles and has particular reference to a shell which is adapted to be fired from a gun to penetrate the object aimed at and subsequently explode therein. An important object of the invention is to provide a projectile of the above mentioned character, so constructed so that the same will have a high armor penetrating efficiency and a very large explosive material carrying capacity, whereby the explosion of the shell subsequently to its penetration into or through the armor will be very disastrous" (lines 9-22).
Date: August 16, 1912
Creator: Douglas, William M.

Rotary Engine

Description: Patent is for a rotary engine. The design of this rotary engine includes an inlet and exhaust that also prevents internal leakage of working fluid under pressure.
Date: May 8, 1912
Creator: Bennison, Samuel

[Trading Card: Texas Diamondback Terrapin]

Description: Trading card issued as part of the Geocache Challenge program for Galveston Island State Park, depicting the Texas diamondback terrapin. There is an image of a terrapin in boggy water on the front, with information about the species on the back.
Date: 2011
Creator: Texas. Parks and Wildlife Department.