Collection
Serial/Series Title
7 Matching Results
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1 - 7 of
7
Animal Trap
Patent for an animal trap, particularly desgned for rodents and birds, which is able to trap animals without having to be manually reset each time. Illustrations included.
Date:
January 19, 1909
Creator:
Barron, Nathan J.
Object Type:
Patent
System:
The Portal to Texas History
Clothes Pin
Patent for a clothes pin. Illustration included.
Date:
April 6, 1909
Creator:
Everett, Edgar B.
Object Type:
Patent
System:
The Portal to Texas History
New Boston 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:
1909
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Texarkana 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:
1909
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Post Hole Digger
Patent for a post hole digger. Illustration included.
Date:
December 28, 1909
Creator:
Hefner, John M.
Object Type:
Patent
System:
The Portal to Texas History
Means for Utilizing Electrical Energy
Patent for a means of using electricity more efficiently, which entails "utilizing the extra current generated by the break in the circuit of an electromagnetic apparatus" (lines 16-18). Illustrations included.
Date:
July 13, 1909
Creator:
Perkins, Thomas F.
Object Type:
Patent
System:
The Portal to Texas History
Means for Utilizing Electrical Energy
Patent for an apparatus which consists of an electric motor that is operated by a battery and is designed to use electricity more efficiently. Illustrations included.
Date:
July 13, 1909
Creator:
Perkins, Thomas F.
Object Type:
Patent
System:
The Portal to Texas History