Collection
Serial/Series Title
2000 Census County Subdivision Block Map
86
7.5 Minute Series (Topographic)
74
2010 Census County Block Map
72
2010 Census P.L. 94-171 County Block Map
72
1990 Census County Block Map
68
2000 Census County Block Map
68
Digital US Topo Maps: 7.5 Minute Series (Topographic)
50
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
25
15 Minute Series (Topographic)
16
2007 Economic Census Map
14
11 More
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607 Matching Results
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Results:
601 - 607 of
607
Tractor.
Patent is for a new and improved tractor design. Improvements to gear and axle design that enable the tractor to make narrower turns and to make power run from the engine to the gears without interfering with the steering mechanism.
Date:
January 7, 1917
Creator:
Hudgens, George Thomas
Object Type:
Patent
System:
The Portal to Texas History
Driving-Box.
Patent for improvements in locomotive driving-boxes aimed at eliminating the need to hold locomotives (trains) out of service for significant periods of time in order to repair solid driving boxes. Increased functionality is achieved by means of removable hub liner, deliverability of lubricant to various surfaces of the box and sections having slidable engagement with the hub face.
Date:
December 31, 1918
Creator:
Simmons, Arthur W.
Object Type:
Patent
System:
The Portal to Texas History
Folding Coach-Step.
Patent for foldable steps for train cars, in particular passenger cars.
Date:
April 16, 1917
Creator:
Berry, John F.
Object Type:
Patent
System:
The Portal to Texas History
Fireplace Guard
Patent for a fireplace guard. This fireplace guard is designed to prevent accidental fires.
Date:
July 23, 1918
Creator:
Haley, Ernest T.
Object Type:
Patent
System:
The Portal to Texas History
Engine Fan Belt Guard.
Patent for Engine Fan Belt Guards. This device helps the fan shift from slipping off mother vehicle engines.
Date:
May 11, 1920
Creator:
Brackett, Edward B.
Object Type:
Patent
System:
The Portal to Texas History
Lamp Chimney and Burner.
Patent for securely fastening the lamp chimney when it is placed on top of a burner to prevent the two from coming detached. Includes illustrations.
Date:
December 24, 1918
Creator:
Anderson, Laura
Object Type:
Patent
System:
The Portal to Texas History
Plow.
Patent for a plow with "structure of improved strength and durability wherein means are provided for changing or adjusting the angularity of the plow stock" (lines 10-13) to make it "capable of plowing the soil deeper or shallower, as desired" (lines 16-17).
Date:
October 22, 1918
Creator:
Warren, John T.
Object Type:
Patent
System:
The Portal to Texas History