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What type of ship protection did Leonardo da Vinci sketch with two separate layers forming a double hull?
Answer
Double hull
What type of press did Leonardo da Vinci sketch to automate the repeated pressing of printed pages?
Answer
Printing press
What lifting machine did Leonardo da Vinci design with a long rotating boom for construction work?
Answer
Crane
What measuring instrument did Leonardo da Vinci design to show changes in atmospheric humidity?
Answer
Hygrometer
What canal technology did Leonardo da Vinci design using interlocking gates to control water levels?
Answer
Miter lock
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What water-lifting machine did Leonardo da Vinci design using a helical screw inside a tube?
Answer
Archimedes’ screw
What machine did Leonardo da Vinci sketch for adding and subtracting numbers mechanically?
Answer
Mechanical calculator
What humanoid machine did Leonardo da Vinci design around 1495 for entertainment and display?
Answer
Mechanical knight