Collection
Serial/Series Title
7.5 Minute Series (Topographic)
117
2010 Census P.L. 94-171 County Block Map
66
2000 Census County Subdivision Block Map
65
2010 Census County Block Map
65
1990 Census County Block Map
61
2000 Census County Block Map
60
Digital US Topo Maps: 7.5 Minute Series (Topographic)
52
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
26
Bay Line
10
2007 Economic Census Map
7
19 More
Decade
Month
Language
607 Matching Results
Results open in a new window/tab.
prev
Results:
601 - 607 of
607
Spark-Producing Mechanism for Explosive-Engines.
Patent for a spark producing mechanism for explosive engines, which serves as a starter for the engine when the vehicle is first turned on.
Date:
June 4, 1907
Creator:
Stamps, Lorenzo Dan
Object Type:
Patent
System:
The Portal to Texas History
Removable Head for Barrels and Like Receptacles
Patent for a removable head for barrels and like receptacles.
Date:
July 2, 1912
Creator:
Staples, George W.
Object Type:
Patent
System:
The Portal to Texas History
Foot-Rest
Patent for improvements in foot rests. This particular foot rest was designed to better support the foot and hold the shoe in place with clamps.
Date:
October 13, 1913
Creator:
Tufts, Gay L.
Object Type:
Patent
System:
The Portal to Texas History
Insulator.
Patent for a train track insulator, which acts as a fastener between adjourning portions of track.
Date:
March 29, 1921
Creator:
Collier, William R.
Object Type:
Patent
System:
The Portal to Texas History
Potato Digger.
Patent for "new and useful improvements in potato-diggers, designed to cut away the vines and to throw them out of the way of the plow-points." (lines 5-10) including instructions and illustrations.
Date:
May 22, 1900
Creator:
Winfrey, Zachary T.
Object Type:
Patent
System:
The Portal to Texas History
Automatic Train Stop
Patent for automatic train stop.
Date:
December 26, 1916
Creator:
Warren, George F.
Object Type:
Patent
System:
The Portal to Texas History
Drying Kiln
Patent for a kiln to be used as a drying chamber for drying and curing of lumber. Illustrations included.
Date:
May 21, 1907
Creator:
Stephens, William E.
Object Type:
Patent
System:
The Portal to Texas History