From Sail to Steam

much of the machinery which transmitted power from the boilers to the wheel. All battle experience avouched the probability of disabling injury under such exposure; not more certain, but probably more fatal, than that to spars and sails of sailing-ships. Despite this drawback, paddle wheel men-of-war were being built between 1840 and 1850. Our own navy had of these two large and powerful vessels, sisters, the Missouri and the