Collection
Serial/Series Title
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4 Matching Results
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4
Meridian Sheet
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 1:125000
Date:
1919
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Kiln
Patent for improvements to kilns, which include improvements for transferring heat, "burning lime and clay products"(line 11), powdered fuel feeding and preventing unheated air from flowing into the kiln.
Date:
May 13, 1919
Creator:
Bone, David R.
Object Type:
Patent
System:
The Portal to Texas History
Windmill Attachment.
Patent for an attachment for hand or windmill pumps in order to reduce stress of upward and load moving strokes, including instructions and illustrations.
Date:
December 23, 1919
Creator:
Bertrand, Rabb A.
Object Type:
Patent
System:
The Portal to Texas History
Plant-Chopper.
Patent for a plant chopper that can chop down plants of the row variety while not disturbing others that are spaced apart. It can also be an attachment to a cultivator.
Date:
July 29, 1919
Creator:
Martin, Silas W.
Object Type:
Patent
System:
The Portal to Texas History