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Patents & Inventions
R 1,205
Panati's Extraordinary Origins of Everyday Things
R 995
Great American Inventions
R 994
Applied Minds: How Engineers Think
R 2,299
Tesla: Inventor of the Electrical Age
R 1,236
Apprentice to Genius: The Making of a Scientific Dynasty
R 1,394
Before the Hon. Philip F. Thomas, Commissioner of Patents, in the Matter of the Application of Elias Howe, Jr., For an Extension of His Patent for Sewing Machines (Classic Reprint)
R 1,069
Philadelphia's 1876 Centennial Exhibition (PA) (Images of America)
R 1,975
Tech Trends in Practice: The 25 Technologies that are Driving the 4th Industrial Revolution
R 1,575
Machines A Visual History: 100 Machines and the Remarkable Stories Behind Each Invention
R 933
Hardcore Inventing: Invent, Protect, Promote, and Profit From Your Inventions
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