SS President Coolidge
Fig. 119: The engine room of the SS President Coolidge is at 47 meters depth. This is the big generator that produced electricty for the whole ship. At that time this was also enough for a small city. The coils are good visible here. Espiritu Santo, Vanuatu. Nikon D200; Δt=1/125 s; f=13 mm; f/4.0; ISO 100; 27 July 2010 23:48:54