"John Ericsson invented the screw propeller and designed the <em>USS Monitor</em>."&mdash;E. Benjamin Andrews 1895

John Ericsson

"John Ericsson invented the screw propeller and designed the USS Monitor."—E. Benjamin…

John Ericsson (1803 - 1889) was a Swedish inventor and mechanical engineer. After the Civil War began, Ericsson designed the USS <em>Monitor</em>, a unique design of armored ship and after much controversy was build and finished on March 6, 1862 after 100 days.

John Ericsson

John Ericsson (1803 - 1889) was a Swedish inventor and mechanical engineer. After the Civil War began,…