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Patents & Inventions
R 1,084
Inventing the World: Venice and the Transformation of Western Civilization
R 698
The Optimist's Telescope: Thinking Ahead in a Reckless Age
R 998
Brilliant: The Evolution of Artificial Light
R 612
Sneakiest Uses for Everyday Things: How to Make a Boomerang with a Business Card, Convert a Pencil into a Microphone, Make Animated Origami, Turn a TV ... Energy Science Projects (Sneaky Books)
R 527
Experiments with Alternate Currents of High Potential and High Frequency
R 612
Makers: The New Industrial Revolution
R 784
507 Mechanical Movements: Mechanisms and Devices (Dover Science Books)
R 870
The History of the Computer: People, Inventions, and Technology that Changed Our World
R 527
The Boy's Book of New Inventions
R 913
Who Invented Underpants?: The Weird Trivia of Human Invention from Fire to Fast Food (and Everything In Between) (Fascinating Bathroom Readers)
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