[T.V. Allis "Buck thorn" barbed wire.]

T.V. Allis "Buck thorn" barbed wire, wide, medium and narrow widths. Patented July 26, 1881
Date: July 26, 1881
Creator: unknown
Object Type: Physical Object
System: The Portal to Texas History

Sun Oil Company, Production Research & Development Lab, Richardson, Texas

Aerial view. Sun Oil Company Production Research & Development Lab. Two one-story buildings, connected by a covered walkway. The larger building, in the foreground, is "E" shaped; the smaller is rectangular. Parking lot between with cars. Storage tank. Housing development visible in background, telephone/electrical poles, no trees or landscaping.
Date: July 1955
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

[Machine at NASA]

Photograph of a camo green machine in a hangar at NASA in Houston, Texas.
Date: July 14, 2005
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam #1

Lock and Dam #1
Date: July 26, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam #1

Lock and Dam #1
Date: July 26, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam #1

Lock and Dam #1
Date: July 26, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam #1

Lock and Dam #1
Date: July 22, 1918
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam #1

Lock and Dam #1
Date: July 22, 1918
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam #1

Lock and Dam #1
Date: July 22, 1918
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at H.S.

Lock and Dam at H.S. (Hurricane Shoals).
Date: July 28, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at H.S.

Lock and Dam at H.S. (Hurricane Shoals)
Date: July 28, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at H.S.

Lock and Dam at H.S. (Hurricane Shoals)
Date: July 28, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at H.S.

Lock and Dam at H.S.
Date: July 28, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at H.S.

Lock and Dam at H.S.
Date: July 28, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at W.R.S.

Lock and Dam at W.R.S. (White Rock Shoals).
Date: July 7, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at W.R.S.

Lock and Dam at W.R.S. (White Rock Shoals).
Date: July 7, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at W.R.S.

Lock and Dam at W.R.S. (White Rock Shoals).
Date: July 27, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at W.R.S.

Lock and Dam at W.R.S. (White Rock Shoals).
Date: July 27, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at W.R.S.

Lock and Dam at W.R.S. (White Rock Shoals).
Date: July 27, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Trinity River: Lock and Dam at W.R.S.

Lock and Dam at W.R.S. (White Rock Shoals).
Date: July 27, 1916
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Brazos River: Lock and Dam #3

Lock and Dam #3
Date: July 20, 1917
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Brazos River: Lock and Dam #3

Lock and Dam #3
Date: July 20, 1917
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Brazos River: Lock and Dam #3

Lock and Dam #3
Date: July 20, 1917
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

Brazos River: Lock and Dam #3

Lock and Dam #3
Date: July 20, 1917
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History