Hall served on the San Quentin Fire Department during his incarceration, leading to privileges like a shortened sentence and enrollment in state training programs.
Aqueous film-forming foam (AFFF) is a wonder of firefighting, effectively extinguishing flammable liquid fires caused by jet fuel spills, despite its environmental hazards.
On his death in 1882, the Freeman's Journal noted: 'Captain Ingram, it is no exaggeration to say, was the guardian, and the reliable guardian, of the lives and property of the citizens of Dublin.'