Resource Type
Collection
Texas Patents
619
USDA Farmers' Bulletins
60
Technical Report Archive and Image Library
35
USGS Topographic Map Collection
27
The Federal Reporter
10
Texas Soil Surveys
6
National Advisory Committee for Aeronautics Collection
4
Government Documents General Collection
4
Government Documents A to Z Digitization Project
2
Texas State Publications
2
4 More
Serial/Series Title
Farmers' bulletin (United States. Dept. of Agriculture)
60
7.5 Minute Series (Topographic)
23
United States Bureau of Mines Reports
21
National reporter system. United States series
10
The Federal Reporter
10
Bulletin (United States. Bureau of Mines)
7
Technical paper (United States. Bureau of Mines)
5
U.S. Geological Survey bulletin
5
United States Geological Survey Reports
5
30 Minute Series
4
19 More
Country
States
Year
Month
Language
770 Matching Results
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Results:
769 - 770 of
770
Crossover
Patent for cross-overs in railways to prevent collisions of trains traveling on intersecting track ways
Date:
March 2, 1915
Creator:
Miller, Sam P.
Object Type:
Patent
System:
The Portal to Texas History
Crimping-Machine
Patent for "a machine that crimps the edges of lids for lard pails and the like." (lines 8-11) including illustrations.
Date:
August 15, 1915
Creator:
Humphreys, Jerome Nichols
Object Type:
Patent
System:
The Portal to Texas History