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Easy Leonardo Da Vinci's Inventions

What musical machine did Leonardo da Vinci design to combine a keyboard with bowed strings?

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Intermediate Leonardo Da Vinci's Inventions

What type of bearing did Leonardo da Vinci sketch to reduce friction between moving parts?

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Intermediate Leonardo Da Vinci's Inventions

What underwater vehicle did Leonardo da Vinci sketch for covert naval attacks?

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Intermediate Leonardo Da Vinci's Inventions

What type of armored wagon did Leonardo da Vinci design with blades on its wheels?

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Intermediate Leonardo Da Vinci's Inventions

What shipbuilding safety feature did Leonardo da Vinci propose by giving a vessel two separate hulls?

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