Roby 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: 1915
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Emergency-Spindle for Automobiles (open access)

Emergency-Spindle for Automobiles

Patent for an emergency wheel spindle used to towing a vehicle upon damage to the front or rear axle. The spindle may attach irrespective to any brake drum or rods that may be present on the vehicle.
Date: March 30, 1915
Creator: Clement, Frank
Object Type: Patent
System: The Portal to Texas History
Oil Burner (open access)

Oil Burner

Patent for an oil burner that can be inserted into a stove or range and function with kerosine oil as fuel. The size of the flame can be adjusted with this oil burner, and it can be installed in stoves and ranges without structural changes being made to the equipment.
Date: June 29, 1915
Creator: Jordan, David
Object Type: Patent
System: The Portal to Texas History