Pennsylvania Highlands Community College - Iron, Coal, and Steel Industry Collection

Active Filters:
  • Subject = Patents
  • Subject = Railroad tracks

About This Collection

This collection contains items relating to the iron, coal, and steel industry in Johnstown.
Displaying 4 items
Filter
Patent for Railroad Crossover
Patent for Railroad Crossover
Patents, Railroad tracks
Patent and patent drawings for James B. Strong and Albert F. Huber railroad cross-over, United States Patent Office 2,003,398.
Patent for Railway Crossing
Patent for Railway Crossing
Patents, Railroad tracks
Patent and patent drawings for Thomas A. Ratkowski railway crossing, United States Patent Office 2,354,880.
Patent for Railway Crossing
Patent for Railway Crossing
Patents, Railroad tracks
Patent and patent drawings for John V. Houston and Berger R. Habel railway crossing, United States Patent Office 22,663.
Patent for Railway Frog Body
Patent for Railway Frog Body
Patents, Railroad tracks
Patent and patent drawings for Charles W. Breed and George R. Burkhardt railway frog body, United States Patent Office 22,630.