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
- 468 more...
- ItemJEL-HL-469 - Heisler geared locomotive center truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-470 - Heisler geared locomotive truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-471 - Heisler geared locomotive center truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-472 - Heisler geared locomotive center truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-473 - Model of a Heisler geared locomotive at Erie, Pennsylvania, undated
- ItemJEL-HL-474 - Model of a Heisler geared locomotive at Erie, Pennsylvania, undated
- ItemJEL-HL-475 - Model of truck for a Heisler geared locomotive at Erie, Pennsylvania, undated
- ItemJEL-HL-476 - Model of a Heisler geared locomotive at Erie, Pennsylvania, undated
- ItemJEL-HL-477 - Heisler geared locomotive truck assembly at Erie, Pennsylvania, undated
- 29 more...