Addicks Quadrangle

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Date: 1915
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Addicks Quadrangle

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Date: 1915
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Adding-Machine (open access)

Adding-Machine

Patent for adding machine that has improvements such as a controllable disk to avoid over or under rotation and simpler means of adding and removing adding disks.
Date: February 16, 1915
Creator: Sweet, William F. & Tideman, S.
Object Type: Patent
System: The Portal to Texas History
Adding-Machine (open access)

Adding-Machine

Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.
Object Type: Patent
System: The Portal to Texas History
Adding-Machine (open access)

Adding-Machine

Patent for an adding machine that is simple and can be manufactured at a small cost.
Date: September 7, 1915
Creator: McCaleb, Walter F.
Object Type: Patent
System: The Portal to Texas History
Adjustable Driving Box (open access)

Adjustable Driving Box

Patent for an adjustable driving-box intended for journal boxes in locomotive engines, trucks, etc.
Date: October 4, 1915
Creator: Copp, John
Object Type: Patent
System: The Portal to Texas History
Adjustable Hoe (open access)

Adjustable Hoe

Patent for improvement in "the construction of hoes and to provide a simple, practical, and inexpensive hoe, of strong and durable construction." (lines 11-13) including illustrations.
Date: July 27, 1915
Creator: Armstrong, John Joshua, Sr.
Object Type: Patent
System: The Portal to Texas History
Adjustable Plow Mechanism (open access)

Adjustable Plow Mechanism

Patent for an adjustable plow with an improved adjustable and reversible mechanism in plow construction, Allows for properly spaced elevated ridges for planting crops.
Date: February 23, 1915
Creator: Popp, Edward
Object Type: Patent
System: The Portal to Texas History
Adjustable Shade Hanger (open access)

Adjustable Shade Hanger

Patent for a window shade hanger device which allows for the shade to be placed at multiple stations by sliding and covering any portion of the window desired instead of a stationary shade mount.
Date: April 6, 1915
Creator: Hillman, Annie M.
Object Type: Patent
System: The Portal to Texas History
Aerial Torpedo. (open access)

Aerial Torpedo.

Patent for an aerial torpedo. This device is well suited for automatic targeting without help from man.
Date: August 31, 1915
Creator: Saladiner, Joseph M.
Object Type: Patent
System: The Portal to Texas History
Aeroplane (open access)

Aeroplane

Patent for an aeroplane. The invention is designed to vary the curvature of the plane from front to rear and by this means the plane may be so adjusted as to reduce the "head resistance" to a minimum. The invention is also trying to find the suitable means for manipulating the adjustable sections whereby the movable sections. This invention aims to provide a machine that is strong, durable, efficient, and comparatively simple to construct.
Date: September 7, 1915
Creator: McCarroll, Frank
Object Type: Patent
System: The Portal to Texas History
Agitator. (open access)

Agitator.

Patent for an improved device to produce a useful agitation of liquid in washing machines by configuring the paddles or blades in the most effective manner, including illustrations.
Date: February 23, 1915
Creator: Babek, Aloysius S.
Object Type: Patent
System: The Portal to Texas History
Air-Compressing Apparatus. (open access)

Air-Compressing Apparatus.

Patent for a new air compressing apparatus which employs two kinds of tanks called high pressure containers and low pressure containers charged by means of an air compressing engine.
Date: March 16, 1915
Creator: Gebhardt, William Charles
Object Type: Patent
System: The Portal to Texas History
Air-Lift for Elevating Liquids. (open access)

Air-Lift for Elevating Liquids.

Patent for a pneumatic lift that maintains the air pressure needed to effectively move liquid through a pipe.
Date: June 29, 1915
Creator: Andrews, Benjamin
Object Type: Patent
System: The Portal to Texas History
Air Pump. (open access)

Air Pump.

Patent for improvements in air pumps pertaining to their ability to inflate pneumatic tires.
Date: May 25, 1915
Creator: Messerli, John J.
Object Type: Patent
System: The Portal to Texas History
Air-Pump (open access)

Air-Pump

Patent for an automobile air pump that can be power driven from a car motor. This pump can be driven from the rear wheel of a car.
Date: July 15, 1915
Creator: Causey, Thomas S. & Kelley, Robert B.
Object Type: Patent
System: The Portal to Texas History

Alief Quadrangle

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Date: 1915
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Alief Quadrangle

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Date: 1915
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Almeda Quadrangle

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Date: 1915
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Almeda Quadrangle

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Date: 1915
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Angle Cock Device (open access)

Angle Cock Device

Patent for "stop cocks for controlling the flow of fluids and more particularly to what are known as angle cocks for use in train pipes of air brake and other fluid pressure systems upon railway cars" (lines 8-13) including illustrations.
Date: March 9, 1915
Creator: Ellwood, Thomas B.
Object Type: Patent
System: The Portal to Texas History
Animal Trap (open access)

Animal Trap

Patent for an animal trap that can continue to trap more animals even after if traps one or more.
Date: May 18, 1915
Creator: Dennis, Decatur D.
Object Type: Patent
System: The Portal to Texas History

Anson Sheet

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1915
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Ant-Trap (open access)

Ant-Trap

Patent for a trap for ants and other burrowing insects which works at the site of the ant-hill or burrow.
Date: April 13, 1915
Creator: Cox, Samuel L.
Object Type: Patent
System: The Portal to Texas History