Saves Gas Bills, Saves Trouble, Saves Patience, Saves Time! And it burns any kind of oil. I think we would market this as multi-fuel off-grid survival stove these days.
Don’t Burn Coal! The Future is Here
Adventures of an Imperfect Man In Search of a Handmade Life
Preindustrial Craftsmanship 
Actually, I think it’s marketed for catering, these days.
Almost the exact same rig, too.
Some things don’t need change.