Screw Propeller MCQ App Download - Inventions PDF e-Book
Inventions Online Tests
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The MCQ: In which one of the following year, Ship's propeller was invented "Screw Propeller" App Download [Free] with answers: 1857, 1833, 1813, and 1844 for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Apple e-Book (Free Sample) for school certificate.
In which one of the following year, Ship's propeller was invented?
The ship's propeller was discovered by
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