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Dallas 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:
1891
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Pedal Attachment for Velocipedes.
Patent for a new and useful safety attachment “for the pedals of bicycles, tricycles, and other wheeled vehicles operated by the feet through the medium of pedals.” (Lines 9-11) This attachment will form a long bearing for the foot of the rider, thus avoiding dead-centers in the revolutions of the cranks, and to provide means for preventing any slipping of the pedals.” (Lines 12-16) Illustration is included.
Date:
September 1, 1891
Creator:
Wheeler, William
Object Type:
Patent
System:
The Portal to Texas History