Inventors and Inventions: In Three Parts: I. The Philosophy of Invention ... II. The Rights and Wrongs of Inventors ... III. Early Inventors' Inventories of Secret Inventions ...E. and F.N. Spon, 1867 - 263 pages |
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Inventors and Inventions: In Three Parts, the Philosophy of Invention, the ... Henry Dircks No preview available - 2008 |
Inventors and Inventions: In Three Parts, the Philosophy of Invention, the ... Henry Dircks No preview available - 2008 |
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13th Century advantage apparatus appear apply arising become benefit Century of Inventions character charge claim considered contrivances Dircks Dircks's discovery doubt effect employ engine evidence existing experience experimental fact facturers favour flyinge give grant Patents Hartlib hath Henry Cort honour idea improvement ingenious interest inventors labour letter Letters Patent licence Lord Lord Stanley Macfie machine machinery Majestie manu manufacturers Marquis of Worcester materials matter means mechanical ment mental mind nature never novelty object obtained operations opinion optical illusions ordynance original Patent Law patent monopoly Patent Rights patented inventions persons possession practical present pretended Price's Candle principle produced progress protection purpose remarkable result reward Samuel Hartlib SAMUEL MORLAND scientific secret shotte Sir W. G. Sir W. G. Armstrong Sir William society steam steam-engine suppose theory thing tion trade