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3 Matching Results
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Combination Rule, Square, and Miter.
Patent for a combination of devices that contains "attachments for folding rules which will make said rules capable of use as a square, tri-square, and miter" (lines 15-17), including instructions and illustrations.
Date:
August 4, 1914
Creator:
McFarland, Charles M.
Object Type:
Patent
System:
The Portal to Texas History
Daingerfield 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:
1914
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Listing Attachment for Plows
Patent for plow attachment to deflecting soil from the shovel of the plow; does not require special tools to apply attachment to plow.
Date:
July 14, 1914
Creator:
Hogan, Peter E.
Object Type:
Patent
System:
The Portal to Texas History