I've been trying to find some information about this Ford battery charger and tester. I found a Ford Distributor Stroboscope on this website and other places, but nothing on a battery tester. It came from a local dealership that I know was doing business in the at least the 1930s and 40s. The charger later survived a flood in 1997 in the building it is now in, so I don't know if it would be worth trying to clean/fix up. Any thoughts or information about it?