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
- 458 more...
- ItemJEL-HL-459 - Heisler Two Truck Locomotive being assembled at Erie, Pennsylvania, undated
- ItemJEL-HL-460 - Heisler Two Truck Locomotive being assembled at Erie, Pennsylvania, undated
- ItemJEL-HL-461 - Side view of Heisler Two Truck Locomotive being assembled at Erie, Pennsylvania, undated
- ItemJEL-HL-462 - Heisler geared locomotive boiler at Erie, Pennsylvania, undated
- ItemJEL-HL-463 - Heisler geared locomotive boiler at Erie, Pennsylvania, undated
- ItemJEL-HL-464 - Heisler geared locomotive motor assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-465 - Heisler geared locomotive truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-466 - Heisler geared locomotive truck assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-467 - Heisler narrow gauge geared locomotive truck assembly at Erie, Pennsylvania, undated
- 39 more...