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.

Bibliography

"Submarine" 06 October 2009. HowStuffWorks.com. <http://www.howstuffworks.chttp://en.wikipedia.org/wiki/Los_Angeles-class_submarineom/submarine-info.htm> 16 January 2015.