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What weather-measuring instrument did Leonardo da Vinci design to measure changes in air moisture?
Answer
Hygrometer
What type of machine did Leonardo da Vinci design to measure the distance traveled by a cart?
Answer
Odometer
What water-lifting device did Leonardo da Vinci design with a chain carrying containers?
Answer
Chain pump
What calculating machine did Leonardo da Vinci sketch with a series of geared wheels?
Answer
Mechanical calculator
What mechanical component did Leonardo da Vinci sketch using freely rotating balls?
Answer
Ball bearing
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What calculating machine did Leonardo da Vinci sketch with a series of geared wheels?
Answer
Mechanical calculator
What automated machine did Leonardo da Vinci design in the form of an armored human figure?
Answer
Mechanical knight
What vehicle did Leonardo da Vinci design to move itself using springs, gears, and wheel mechanisms?
Answer
Self-propelled cart