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Caption: John Isaac Hawkins' patent polygraph machine or autopen. Copperplate engraving by Wilson Lowry after a drawing by J. Farey Jr. from Abraham Rees' Cyclopedia or Universal Dictionary of Arts, Sciences and Literature, Longman, Hurst, Rees, Orme and Brown, London, 1810.
Credit: Album / Florilegius
Image size: 4952 × 6202 px | 87.9 MB
Print size: 41.9 × 52.5 cm | 1949.6 × 2441.7 in (300 dpi)