Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3007 - Track
- 288 more...
- ItemBB035876 - Northern Pacific Engineering Drawing: Shop Plan - Field Cables, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035877 - Northern Pacific Engineering Drawing: Shop Plan - Printer Format, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035878 - Northern Pacific Engineering Drawing: Shop Plan - Computer Format, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035879 - Northern Pacific Engineering Drawing: Shop Plan - Printer Format, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035880 - Northern Pacific Engineering Drawing: Shop Plan - IBM Computer, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035881 - Northern Pacific Engineering Drawing: Shop Plan - Monochrome Display, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035882 - Northern Pacific Engineering Drawing: Shop Plan - Keyboard Drawing, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035883 - Northern Pacific Engineering Drawing: Shop Plan - Typical Control Panel, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035884 - Northern Pacific Engineering Drawing: Shop Plan - Wheel Detector, Electronic Track Scale, Pasco, Washington, undated
- 31 more...