Collection
Serial/Series Title
2000 Census County Subdivision Block Map
64
7.5 Minute Series (Topographic)
64
1990 Census County Block Map
50
2000 Census County Block Map
49
2010 Census County Block Map
49
2010 Census P.L. 94-171 County Block Map
49
Digital US Topo Maps: 7.5 Minute Series (Topographic)
20
Western United States 1:250,000
11
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
10
15 Minute Series (Topographic)
9
23 More
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482 Matching Results
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Results:
481 - 482 of
482
Penholder Attachment
Patent for an attachment for pen holders which acts as an extra supply of ink. Illustrations included.
Date:
September 12, 1911
Creator:
Harmon, James W.
Object Type:
Patent
System:
The Portal to Texas History
Dubbing-Machine.
Patent for improvements to the dubbing-machines with illustrations. Specifically, this improvement is aimed at "dressing ship timber" (line 15) in an effort to make the process easier and more efficient.
Date:
June 10, 1919
Creator:
Cobb, Dan L. & Moore, William W.
Object Type:
Patent
System:
The Portal to Texas History