Past Times Machines (Sound On) Jerry Toews firing up an Otto engine from 1895. Not an otto-cycle engine, although it is that too, but an actual engine sold by Nicolaus Otto, who designed the

Past Times
Machines (Sound On)
Jerry Toews firing up an Otto engine from 1895. Not an otto-cycle engine, although it is that too, but an actual engine sold by Nicolaus Otto, who designed the first successful four-stroke engines.