A waterfall in Amalfi, driving a wheel outside an iron-works or iron mine. Drawing by J.Ph. Hackert, 1790. https://www.rawpixel.com/image/14015754/image-plant-person-treeFree Image from public domain licenseVijf mannen te paard met trommels (1483 - 1526) by Hans Burgkmair I https://www.rawpixel.com/image/13776048/vijf-mannen-paard-met-trommels-1483-1526-hans-burgkmairFree Image from public domain licenseAn alchemist applying bellows to a furnace. Oil painting by a follower of François-Marius Granet. https://www.rawpixel.com/image/14004159/image-person-art-manFree Image from public domain licenseFilips V vlucht uit het Spaanse Hof, 1706 (1706) by anonymous https://www.rawpixel.com/image/13767573/filips-vlucht-uit-het-spaanse-hof-1706-1706-anonymousFree Image from public domain licenseMakers of leather belts at work in their workshop. Woodcut by J. Amman. https://www.rawpixel.com/image/14016037/makers-leather-belts-work-their-workshop-woodcut-ammanFree Image from public domain licenseOntwerp voor een zaalstuk: Dorinda getroffen door Silvio's pijl (1715 - 1798) by Dionys van Nijmegen https://www.rawpixel.com/image/13793543/image-paper-cartoon-faceFree Image from public domain licenseOntwerp carton voor een glas in loodraam, in het nieuwe Gouvernements gebouw te Maastricht (1932) by Henri Jonas https://www.rawpixel.com/image/13790707/image-background-paper-horseFree Image from public domain licenseA skeleton seen in three views and sixteen sketches of a bearded old man with top hat. Pencil drawing. https://www.rawpixel.com/image/14007944/image-cartoon-face-personFree Image from public domain licenseLandscape with the Holy Family (Rest on the Flight into Egypt) by Alessandro Algardi and Giovanni Francesco Grimaldi https://www.rawpixel.com/image/14264290/image-frame-plant-personFree Image from public domain licensePortrait of a Halberdier (Francesco Guardi?) by Pontormo Jacopo Carucci https://www.rawpixel.com/image/14264312/portrait-halberdier-francesco-guardi-pontormo-jacopo-carucciFree Image from public domain license