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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.

Internal Combusion System

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. Specification of letter patent with illustration. Serial number 789.146
Date: May 12, 1914
Creator: Clough, George G.

Mail-Bag-Handling Apparatus.

Description: Patent for "a mail-bag handing apparatus, and more specifically [an] apparatus designed to practically simultaneously deliver and receive bags or pouches containing mail or other matter, to and from a moving train or body" (lines 9-14), including instructions and illustrations.
Date: November 18, 1913
Creator: Brunkenhoefer, Henry F.

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.


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