Richard Clement Headington. Mezzotint by W. Say, 1832, after J. Jackson. https://www.rawpixel.com/image/14013478/richard-clement-headington-mezzotint-say-1832-after-jacksonFree Image from public domain licenseSir Isaac Newton. Line engraving by W. Sharp after Sir G. Kneller, 1702. https://www.rawpixel.com/image/13972891/sir-isaac-newton-line-engraving-sharp-after-sir-kneller-1702Free Image from public domain licensePeter Templeman. Stipple engraving by W. Evans, 1799, after R. Cosway. https://www.rawpixel.com/image/14003987/peter-templeman-stipple-engraving-evans-1799-after-coswayFree Image from public domain licenseTuberculosis and anthrax bacilli, actinomyces and micrococci, seen through a microscope. Five photographs. https://www.rawpixel.com/image/14019318/image-cartoon-face-personFree Image from public domain licensePetrus Camper. Line engraving by R. Vinkeles, 1778, after himself. https://www.rawpixel.com/image/14018202/petrus-camper-line-engraving-vinkeles-1778-after-himselfFree Image from public domain licenseGeorge Henry Falkiner Nuttall. Photogravure after a painting. https://www.rawpixel.com/image/14004743/george-henry-falkiner-nuttall-photogravure-after-paintingFree Image from public domain licenseHermann Friedrich Teichmeyer. Line engraving after J. Kenckel. https://www.rawpixel.com/image/13976682/hermann-friedrich-teichmeyer-line-engraving-after-kenckelFree Image from public domain licenseThe Blessed (subsequently Saint) Francisco Geronimo y Gravina holding a crucifix; head and shoulders. Etching, ca. 1806. https://www.rawpixel.com/image/14001037/image-paper-face-personFree Image from public domain licenseBlood corpuscles of a frog. Photomicrograph by Léon Foucault, 1844. https://www.rawpixel.com/image/13987145/blood-corpuscles-frog-photomicrograph-leon-foucault-1844Free Image from public domain licensePedanios Dioscorides. Stipple engraving by A. Tardieu after Visconti. https://www.rawpixel.com/image/13997963/pedanios-dioscorides-stipple-engraving-tardieu-after-viscontiFree Image from public domain licenseThomas Haweis. Stipple engraving by E. Bocquet after H. Edridge. https://www.rawpixel.com/image/14004326/thomas-haweis-stipple-engraving-bocquet-after-edridgeFree Image from public domain licenseMicroscopische opname van een vlindervleugel, tachtig keer vergroot (1887 - 1888) by Marinus Pieter Filbri https://www.rawpixel.com/image/13756228/photo-image-paper-butterfly-artFree Image from public domain licenseGaspard Monge, Comte de Peluse. Line engraving by Tavernier. https://www.rawpixel.com/image/13996129/gaspard-monge-comte-peluse-line-engraving-tavernierFree Image from public domain licenseThe four apostles announcing the fall of Jerusalem; in the foreground the Holy Family on the flight into Egypt: behind them… https://www.rawpixel.com/image/13990742/image-person-art-public-domainFree Image from public domain licenseJohn Howard. Stipple engraving by E. Scott, 1789, after M. Brown. https://www.rawpixel.com/image/13973146/john-howard-stipple-engraving-scott-1789-after-brownFree Image from public domain licenseDeathbed of a nobleman or king surrounded by mourners and a bishop. Engraving. https://www.rawpixel.com/image/14014766/deathbed-nobleman-king-surrounded-mourners-and-bishop-engravingFree Image from public domain licenseThomas Cogan. Stipple engraving by J. Thomson after F.P.S. Gérard. https://www.rawpixel.com/image/13997472/thomas-cogan-stipple-engraving-thomson-after-fps-gerardFree Image from public domain licensePierre Simon, Marquis de Laplace. Stipple engraving after J. C. Naigeon. https://www.rawpixel.com/image/13991199/pierre-simon-marquis-laplace-stipple-engraving-after-naigeonFree Image from public domain licenseNiccolò Falcucci. Line engraving by G. Vascellini after himself. https://www.rawpixel.com/image/13982044/niccolo-falcucci-line-engraving-vascellini-after-himselfFree Image from public domain licenseSir Benjamin Thompson, Count von Rumford. Stipple engraving by W. Ridley, 1797. https://www.rawpixel.com/image/13975530/sir-benjamin-thompson-count-von-rumford-stipple-engraving-ridley-1797Free Image from public domain licenseSir Joseph Banks chasing the butterfly called the Emperor of Morocco. Etching attributed to T. Rowlandson, 1788. https://www.rawpixel.com/image/13956831/image-paper-butterflies-cartoonFree Image from public domain licenseCipriano Antonino Targioni. Line engraving by G. Vascellini after M. Targioni. https://www.rawpixel.com/image/14020583/cipriano-antonino-targioni-line-engraving-vascellini-after-targioniFree Image from public domain licenseWilliam Salmon. Line engraving by R. White, 1687, after himself. https://www.rawpixel.com/image/13971933/william-salmon-line-engraving-white-1687-after-himselfFree Image from public domain licenseSir William Watson. Stipple engraving by T. Ryder after L. F. Abbott. https://www.rawpixel.com/image/13992811/sir-william-watson-stipple-engraving-ryder-after-abbottFree Image from public domain licenseA dog threatens a wild boar. Lithograph after F. Tayler, ca. 1850 . https://www.rawpixel.com/image/14015907/dog-threatens-wild-boar-lithograph-after-tayler-ca-1850Free Image from public domain licenseJohn Hunter. Stipple engraving by J. Mitan, 1805, after G. Slous. https://www.rawpixel.com/image/14013149/john-hunter-stipple-engraving-mitan-1805-after-slousFree Image from public domain licenseCharles de l'Ecluse [Clusius]. Stipple engraving by A. Tardieu after himself after M. Rota. https://www.rawpixel.com/image/14011643/image-face-person-artFree Image from public domain licenseWilliam Salmon. Line engraving by R. White, 1687, after himself. https://www.rawpixel.com/image/13987475/william-salmon-line-engraving-white-1687-after-himselfFree Image from public domain licenseA sleeping dog by a lakeside. Etching after E.H. Landseer, 1820/1848. https://www.rawpixel.com/image/14014753/sleeping-dog-lakeside-etching-after-eh-landseer-18201848Free Image from public domain licenseThomas Coram, seated at his desk, with a globe on the floor. Engraving by J. Mills after W. Hogarth. https://www.rawpixel.com/image/13977146/image-cartoon-face-personFree Image from public domain licenseJohn Wolcot [Peter Pindar]. Stipple engraving by P. Roberts after J. Barry. https://www.rawpixel.com/image/14003889/john-wolcot-peter-pindar-stipple-engraving-roberts-after-barryFree Image from public domain licenseThomas Martyn. Stipple engraving by J. Farn, 1795, after S. Drummond. https://www.rawpixel.com/image/13979591/thomas-martyn-stipple-engraving-farn-1795-after-drummondFree Image from public domain licenseJoannes Hevelius [Hewelke]. Line engraving by L. Visscher after A. Stech. https://www.rawpixel.com/image/13995418/joannes-hevelius-hewelke-line-engraving-visscher-after-stechFree Image from public domain licenseThe ages of man represented in a step scheme. Coloured etching, ca. 1820. https://www.rawpixel.com/image/13976209/the-ages-man-represented-step-scheme-coloured-etching-ca-1820Free Image from public domain licenseJohannes Faulhaber. Line engraving by S. Furck and letterpress, 1630. https://www.rawpixel.com/image/13997114/johannes-faulhaber-line-engraving-furck-and-letterpress-1630Free Image from public domain license