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Description: Patent for an airship that is equipped with gas bags to control the ascent and descent of the airship and make it float in case of landing in the water.
Date: June 11, 1912
Creator: Bradshaw, John F. W.


Description: Patent for an alarm designed to attach to windows or entryways and sound to alert residents of a burglary attempt, with illustrations.
Date: May 29, 1906
Creator: Hobbs, Francis Marion

Alarm Attachment for Electric Bells.

Description: Patent for "an Alarm Attachment for Electric Bells." "The object in view is the provision of means for facilitating the change of an ordinary door-bell into a continuously-ringing alarm apparatus, while leaving the mechanism free to be changed back into its former operative condition as a door-bell."(Lines 10-15) Including illustrations and instructions.
Date: June 30, 1902
Creator: Blakeney, Henry


Description: Patent for a new and improved amalgamator. This design "consists in placing in the bottoms of the chambers a number of iron balls or other suitable-shaped pieces of amalgamated iron, which have sufficient room to move freely among themselves, and then forcing up through the balls or pieces of iron, in contradistinction to forcing it down over their tops, the amalgamated ore and water, so as to cause the pieces of iron to vibrate, and thus to grind and break the pieces of quartz passing up through them" (lines 14-24).
Date: September 12, 1882
Creator: Schmidt, Erich Franz & Streernwitz, William Henry

Amusement Apparatus

Description: Patent for a fishing game for amusement parks which has a canal of liquid agitated to form a current with pictures of fish in it that when caught get the person fishing different prizes depending on the symbol they have on them.
Date: August 10, 1909
Creator: Pressey, Charles A.

Amusement Device

Description: Patent for an amusement device. This invention is designed as an apparatus for a swing, a trapeze, a horizontal bar, and seesaw. Illustration included.
Date: February 7, 1906
Creator: Haye, August, of San Antonio, Texas

Amusement Device

Description: Patent for an amusement device. This invention uses a ballast and simulates the appearance and motion of a floating ship under way. Illustrations included.
Date: November 23, 1910
Creator: Corneliussen, Ivar

Anal Speculum.

Description: Patent for a new and improved anal speculum. This design is "to so construct the several parts that there will be no rough or raised edges to interfere with its insertion in the anal passage; secondly, to so construct [the] improved speculum that it may be readily used as a bi-valve or dilator; thirdly, to form a locking-joint on the meeting edges of the shells forming the speculum, whereby the sections are prevented from overlapping each other to avoid pinching or injury to the walls of the anal passage while the instrument is being inserted; fourthly, to provide a plug for [the] improved speculum" (lines 17-29).
Date: March 25, 1890
Creator: Shuford, Quincy Adams

Anchor Post

Description: Patent for an anchor post. This invention is designed to resist any lateral or longitudinal strain. Illustration included.
Date: April 24, 1903
Creator: Small, Wily & Brock, John W.


Description: Patent for improvement in andirons “which is so arranged as to permit ready access to the fireplace for the purpose of cleaning out the ashes and having a removable fender which is capable of being quickly and readily removed or placed in position to retain the fire and prevent the fire from rolling out the fireplace.” (Lines 47-54.) Illustration is included.
Date: March 26, 1901
Creator: Cox, John Drew


Description: Patent for a simple and inexpensive andiron that can easily be moved and holds the logs in place. "The invention consists of an andiron having two dogs or members connected together and a fender removably connected to the front of said dogs and extending over the intervening space or opening" (lines 9-14).
Date: August 28, 1894
Creator: Grogan, John Richard


Description: Patent for improvement of andirons, to accommodate fuel or sticks of wood and to burn either wood or coal fuel. Includes illustrations.
Date: December 1, 1891
Creator: Kimbro, Jeremiah H. & Kimbro, John A.