Economic history of the United States - Wikipedia
2021-6-29 · The screw propeller was tested on Lake Ontario in 1841 before being used on ocean ships. Propellers began being used on Great Lakes ships in 1845. Propellers caused vibrations which were a problem for wooden ships. The SS Great Britain, launched in 1845, was the first iron ship with a screw propeller. Iron ships became common and more efficient ...
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