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Pneumatic Wheel
Patent for a pneumatic wheel. This invention is an improvement in vehicle wheels whereby a pneumatic tube which is "effectually mounted intermediate of the hub and rim and affords the wheel maximum resiliency of structure so as to insure of the absorption of the shocks incident to travel" (line 11-16). Illustration included.
Date:
May 30, 1911
Creator:
Downing, Otto P.
Object Type:
Patent
System:
The Portal to Texas History
Safety Device For Railway-Tracks
Patent for a safety device for railway tracks to prevent derailment. Illustrations included.
Date:
February 21, 1911
Creator:
Carlton, Robert Elliston & Ryle, Marcus Warland
Object Type:
Patent
System:
The Portal to Texas History
Fort Davis 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:
1911
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History