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Bay Bridge, complex crossing that spans San Francisco Bay from the city of San Francisco to Oakland via Yerba Buena Island. It consists of two end-to-end …
Cornelis Drebbel’s invention, built of wood and greased leather and propelled by oars, was the first of which type of boat?
A:
Cornelis Drebbel, a Dutch inventor, is usually credited with building the first submarine. Between 1620 and 1624 he successfully maneuvered his craft at depths of 4 to 5...
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