Resource Type

Moldboard and Landside Plow and Gage-Wheel (open access)

Moldboard and Landside Plow and Gage-Wheel

Patent for modifications to a plow which allow the user to adjust the depth, which lists the components of such modifications.
Date: August 3, 1915
Creator: Haferkamp, August
System: The Portal to Texas History
Elevated Railway (open access)

Elevated Railway

Patent for an elevated railway track system including motorized elevators in each tower/station/terminal to access the railcar platform.
Date: August 10, 1915
Creator: Hinsen, William
System: The Portal to Texas History