Rotor Powered Ship Design 1925
WE SHOULD HAVE INVENTED THE ROTOR POWERED SHIP
WE SHOULD HAVE EXPECTED the rotor ship to be an American invention, says Dr. Edwin E. Slosson in Science Service’s Daily Science News Bulletin (Washington) ; first, because the principle involved is the same as our pitchers employ in putting the curve on a baseball; and, second, because [...]
