#21 La Decuplette: A 10-Person Bicycle from 1898
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#22 The Antikythera Mechanism: Ancient Greece’s Complex Clockwork Marvel.
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#23
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#24 Amphicar: The Car That Drives on Water
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#25 The First Automated Doors
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#26 Leonardo da Vinci's Mechanical Knight: A Vision of Robotics
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#27 Adjustable Mannequin from the 1851 Great Exhibition
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#28 Flying Cars: A Futuristic Dream Turned Reality
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#29 The Runcible Spoon: A Curious Hybrid of Utensils
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#30 Difference Engine: The Birth of Modern Computing
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#31 The Nimrud Lens: Assyrian Optics Innovation
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#32 Altai, Russia’s First Mobile Phone, 1963: Bridging Mobiles and Landlines
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#33 Finally Settled: 1891 Inventor's Notes End the Debate
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#34 Warren Safety Helmet, Revolutionizing Protection Since 1912
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#35 The Dynasphere: A Futuristic Monowheel Design
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#36 Ancient Water Clocks: Measuring Time with Flowing Precision
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#37 Talking Doll: A Revolution in Toys
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#38 Pump-Assisted Washing Machine by E. Koers, Netherlands, 1951
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#39 Firefighters Showcase James D. Halloran's Smoke Mask, NYC, 1911
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#40 German Soldiers with Early Sound Locators for Enemy Aircraft, 1917
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