Printing: section and details of the Bramah numerator press for banknote production (above), steam-engine (below). Engraving… https://www.rawpixel.com/image/13968634/image-steam-person-technologyFree Image from public domain licenseSherlock Holmes and the missing box : (with apologies to Dr. A. Conan Doyle). https://www.rawpixel.com/image/13958285/sherlock-holmes-and-the-missing-box-with-apologies-dr-conan-doyleFree Image from public domain licenseMachinery: metal plating presses. Engraving by W. Lowry, 1815, after J. Farey. https://www.rawpixel.com/image/13959236/machinery-metal-plating-presses-engraving-lowry-1815-after-fareyFree Image from public domain licenseThe Artist George Jan Hendrik Poggenbeek in His Studio (1872) by Theo Hanrath https://www.rawpixel.com/image/13734074/the-artist-george-jan-hendrik-poggenbeek-his-studio-1872-theo-hanrathFree Image from public domain licenseOfficial descriptive and illustrated catalogue / Great Exhibition of the Works of Industry of All Nations, 1851 ; by… https://www.rawpixel.com/image/13982001/image-cartoon-person-technologyFree Image from public domain licenseCommentaria in primam Fen primi libri Canonis Avicennae / [Santorio Santorio]. https://www.rawpixel.com/image/13978118/commentaria-primam-fen-primi-libri-canonis-avicennae-santorio-santorioFree Image from public domain license