Railway-Tricycle. (open access)

Railway-Tricycle.

Patent for a railway-tricycle that consists "of a frame carrying a front and rear wheel, a cross-bar mounted to swing on the said frame and carrying a guide-wheel for the second rail, and a handle-bar connected with the said cross-bar to manipulate the latter" (line 14-19).
Date: November 26, 1895
Creator: Mellor, William J.
Object Type: Patent
System: The Portal to Texas History
Propeller (open access)

Propeller

Patent for a boat propeller that does not create a vacuum behind it and is more efficient than other propellers.
Date: July 23, 1912
Creator: Blake, David H.
Object Type: Patent
System: The Portal to Texas History

Dryden Crossing 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 1:62500
Date: 1918
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Indian Wells 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 1:62500
Date: 1918
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Longfellow 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: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Indian Wells 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 1:62500
Date: 1924
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Sanderson 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: 1928
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Independence Draw Quadrangle 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: 1929
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Sheffield 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: 1929
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Dryden Crossing 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 1:62500
Date: 1932
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Malvado 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 1:62500
Date: 1944
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Dryden Crossing 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 1:62500
Date: 1949
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Indian Wells 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 1:62500
Date: 1949
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Indian Wells 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 1:62500
Date: 1949
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Malvado 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 1:62500
Date: 1957
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Fort Stockton

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 1:250000
Date: 1958
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Sonora

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 1:250000
Date: 1958
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Del Rio

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 1:250000
Date: 1964
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Emory Peak

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 1:250000
Date: 1965
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Fort Stockton

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 1:250000
Date: 1965
Creator: United States. Army. Corps of Engineers.
Object Type: Map
System: The Portal to Texas History

Sonora

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 1:250000
Date: 1965
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Emory Peak

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 1:250000
Date: 1967
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Hackberry Draw Southeast 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 1:24,000
Date: 1969
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Hat-A Ranch 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 1:24,000
Date: 1969
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History