File:GRS Model 2 Interlocking Machine.jpg
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 23:22, 23 August 2011 | 870 × 600 (391 KB) | Caseyjonz | == Summary == {{Information |Description={{en|1=View of Model 2 unit lever type interlocking machine, in combination with operating switchboard and indicator groups.}} |Source= [http://books.google.com/books?id=ZPINAA |
File usage
The following page uses this file: