- COORDINATES: 40.167596, -75.220827 (possible original location)
- COUNTY: Montgomery
- DISTANCE TO NEXT: Philadelphia-6
- EXPLANATION OF NAME: Named For Mary Ambler / Heroine of Railroad Accident
- FOUNDED: 1857
- MANUFACTURER: Unknown
- SHAPE: Standard 1-sided
- STATUS: Missing
According to Pennsylvania Songs and Legends, on July 17, 1856, an accident on the North Penna. RR about 12 miles from Phila., killed 66 and wounded many. Mary Benjamin Ambler ministered to the suffering victims.