The Submarine that could

Submarine Structure & Systems: "The Submarine: Construction" pt1-2 1955 US Navy

How the Great Underwater Machine Works

The submarine John Holland made was 19 tons. It was moved by a 15 horsepower brayton piston engine. The engine caused the propleler to turn and was able to go up to 9knots. This machine was captained by three men.


"Submarine" 06 October 2009. <http://www.howstuffworks.c> 16 January 2015.