Railroad Archives Online
- CollectionD0171 - John Lewis Collection
- Series009 - Logging Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 477 more...
- ItemJEL-HL-478 - Heisler geared locomotive truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-479 - Heisler geared locomotive center truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-480 - Heisler geared locomotive center truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-481 - Heisler geared locomotive truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-482 - Heisler geared locomotive cab interior at Erie, Pennsylvania, undated
- ItemJEL-HL-483 - Heisler geared locomotive cab interior at Erie, Pennsylvania, undated
- ItemJEL-HL-484 - Heisler geared locomotive air brake equipment at Erie, Pennsylvania, undated
- ItemJEL-HL-485 - Heisler geared locomotive motor assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-486 - Heisler geared locomotive motor assembly at Erie, Pennsylvania, undated
- 20 more...