Optics: crystals exhibiting interference colours. Colour mezzotint by R.H. Digeon, ca. 1868, after J. Silbermann. https://www.rawpixel.com/image/13959241/image-background-person-artFree Image from public domain licenseVaasje met bloemen en een grijsgele vlinder (1800 - 1900) by L W Garrison https://www.rawpixel.com/image/13739955/vaasje-met-bloemen-een-grijsgele-vlinder-1800-1900-garrisonFree Image from public domain licenseLemercier Ambassadeurs, Magnitta. Affiche couleur (1895) by Adolphe Willette. Original from The Public Institution Paris… https://www.rawpixel.com/image/4010823/illustration-image-frame-art-photoFree Image from public domain licenseAstronomy: a star map of the night sky in the northern hemisphere, with the names of the constellations. Coloured engraving. https://www.rawpixel.com/image/13957631/image-stars-paper-frameFree Image from public domain licenseTwee vrouwen met baby (1876 - 1909) by Ferdinand Hart Nibbrig and Frans Buffa en Zonen https://www.rawpixel.com/image/13734882/image-paper-frame-plantFree Image from public domain licenseAronskelken (1919) by Samuel Jessurun de Mesquita and Vereeniging tot Bevordering van het Aesthetisch Element in het… https://www.rawpixel.com/image/13733463/image-paper-flower-frameFree Image from public domain licenseEmpress Alexandra Feodorovna's Sitting Room, Cottage Palace, St. Petersburg, Russia, (1835), vintage interior illustration… https://www.rawpixel.com/image/12230147/image-art-watercolor-vintageFree Image from public domain licenseSaint Mary (the Blessed Virgin) holding the Christ Child and the Sacred Heart. Colour lithograph, 1898. https://www.rawpixel.com/image/13957448/image-heart-angel-faceFree Image from public domain licenseAn enthroned king, wearing three crowns and with a sword in his mouth, having vanquished a green seven headed hydra; an… https://www.rawpixel.com/image/13951230/image-dragons-cartoon-personFree Image from public domain licenseBloemenstilleven (1777) by Cornelis Ploos van Amstel and Jan van Huysum https://www.rawpixel.com/image/13734844/bloemenstilleven-1777-cornelis-ploos-van-amstel-and-jan-van-huysumFree Image from public domain licenseSaint Mary (the Blessed Virgin). Coloured engraving by A. Schleich after Heinrich Hess. https://www.rawpixel.com/image/13970602/image-face-person-crownFree Image from public domain licenseG.H. Mumm & Co., champagne (1876), vintage chromolithograph. Original public domain image from the Library of Congress.… https://www.rawpixel.com/image/9407383/image-frame-art-vintageFree Image from public domain licenseAstrology: signs of the zodiac, Sagittarius. Coloured engraving by S. Hall. https://www.rawpixel.com/image/13962780/astrology-signs-the-zodiac-sagittarius-coloured-engraving-hallFree Image from public domain licenseFlowers in a Glass Vase with a Butterfly (c. 1700) by Herman Henstenburgh https://www.rawpixel.com/image/13737602/flowers-glass-vase-with-butterfly-c-1700-herman-henstenburghFree Image from public domain licenseA flowering plant; a design for pietra dura (marble inlaid with semi-precious stones). Gouache painting by an Indian artist. https://www.rawpixel.com/image/13968643/image-flower-plant-medicineFree Image from public domain licenseGeography: two rotating discs (volvelles) showing the times at different places compared to London, and the constellations… https://www.rawpixel.com/image/13957564/image-paper-space-artFree Image from public domain licenseSalon des Cent (1894), vintage woman illustration by Eugene Samuel Grasset. Original public domain image from The Los… https://www.rawpixel.com/image/12229842/image-flower-frame-personFree Image from public domain licenseLes Douze Mois de l'Année: Nivose (1919) by Marthe Romme and Sauvage uitgever https://www.rawpixel.com/image/13738314/les-douze-mois-lannee-nivose-1919-marthe-romme-and-sauvage-uitgeverFree Image from public domain licenseLoimotomia, or, The pest anatomized : an historical account of the dissection of a pestilential body by the author. Together… https://www.rawpixel.com/image/13957953/image-paper-frame-bookFree Image from public domain licenseHead of Christ looking up with crown of thorns, in an oval frame (1653–67), vintage Jesus Christ illustration by After… https://www.rawpixel.com/image/12230504/image-frame-person-artFree Image from public domain licenseDecorative vintage floral png gold frame border pattern https://www.rawpixel.com/image/2518513/free-illustration-png-frame-gold-blueView licenseUse Eureka spool silk, absolutely the best (1870–1900) chromolithograph art. Original public domain image from Digital… https://www.rawpixel.com/image/10184923/image-face-person-artFree Image from public domain licenseVrouwen die Shiva aanbidden worden onderbroken door een visioen van Krishna (c. 1795 - c. 1805) by anonymous https://www.rawpixel.com/image/13734358/image-paper-cartoon-faceFree Image from public domain licenseVegetables available from a grocer are laid out on a green background. Colour woodcut by Shigenobu, 1866. https://www.rawpixel.com/image/13951591/image-background-cartoon-personFree Image from public domain licenseOntwerp voor de beschildering van een bord (c. 1875 - c. 1885) by anonymous and Manufacture J Vieillard and Cie https://www.rawpixel.com/image/13735741/image-paper-art-patternFree Image from public domain licenseWhite-fronted goose, vintage painting by G.A. Audsley-Japanese illustration. Public domain image from our own original 1884… https://www.rawpixel.com/image/10197648/image-art-vintage-illustrationFree Image from public domain licenseA horse's head, wearing a bridle. Coloured mezzotint by C. Turner after G. Head, 1804. https://www.rawpixel.com/image/13960917/image-horse-art-animalFree Image from public domain licenseTse Mara , a form of Dharmapala (protector of teachings), guardian of the Samye Monastery. Gouache painting by a Tibetan… https://www.rawpixel.com/image/13951444/image-dragon-cartoon-personFree Image from public domain licenseJongen loopt over een bergpad (in or before 1894) by Willem Wenckebach https://www.rawpixel.com/image/13740407/jongen-loopt-over-een-bergpad-in-before-1894-willem-wenckebachFree Image from public domain licenseA skull with an ornamental frame. Collotype after Hans Wechtlin, c. 1510-11. https://www.rawpixel.com/image/13961127/skull-with-ornamental-frame-collotype-after-hans-wechtlin-1510-11Free Image from public domain licenseLa Guirlande, Album mensuel d'art et de la litterature, 1919-1920 : Vrouw in roze jurk in tuin (1919 - 1920) by Umberto… https://www.rawpixel.com/image/13734723/image-paper-butterfly-cartoonFree Image from public domain licenseA princess walking in a forest with birds. Pen and ink drawing by H. Macfall. https://www.rawpixel.com/image/13964277/princess-walking-forest-with-birds-pen-and-ink-drawing-macfallFree Image from public domain licenseFemmes Modernes, 1926 : Liggende vrouw op een bank (c. 1926) by S Chompré https://www.rawpixel.com/image/13732029/femmes-modernes-1926-liggende-vrouw-een-bank-c-1926-chompreFree Image from public domain licensePauw (1895) by Theo van Hoytema and Samuel Lankhout and Co https://www.rawpixel.com/image/13734651/pauw-1895-theo-van-hoytema-and-samuel-lankhout-andFree Image from public domain licenseJohn Bull vlucht voor de Indiaase tijger (1920 - 1935) by Patricq Kroon https://www.rawpixel.com/image/13734504/john-bull-vlucht-voor-indiaase-tijger-1920-1935-patricq-kroonFree Image from public domain licenseFloral Still Life (c. 1800 - c. 1825) by Georgius Jacobus Johannes van Os https://www.rawpixel.com/image/13732945/floral-still-life-c-1800-1825-georgius-jacobus-johannes-vanFree Image from public domain licenseMatrimonial Primer - cherubs on crescent moon (1905) drawing by Gordon Ross. Original public domain image from Wikipedia.… https://www.rawpixel.com/image/10541447/image-face-person-moonFree Image from public domain licenseWater texture, abstract, ocean, background, free public domain CC0 photo https://www.rawpixel.com/image/5919519/photo-image-background-texture-public-domainFree Image from public domain licenseTrès Parisien, 1923, No. 4: 2. - SÉVILLE. Une adorable toilette .... (1923) by anonymous, Diederichs Soieries and G P Joumard https://www.rawpixel.com/image/13733297/image-paper-cartoon-faceFree Image from public domain licenseZitkamer met palm (c. 1925) by Monogrammist HK Nederland 20ste eeuw https://www.rawpixel.com/image/13736685/zitkamer-met-palm-c-1925-monogrammist-nederland-20ste-eeuwFree Image from public domain licenseVrouw en geharnast man in een weide met lammeren (1885) by Nelly Bodenheim and Harms and Co Ellerman https://www.rawpixel.com/image/13738647/image-dog-paper-cartoonFree Image from public domain licenseArt nouveau png tulip flower pattern frames remix from artwork by William Morris https://www.rawpixel.com/image/2815371/free-illustration-png-frame-flower-blueView licenseOrpheus speelt op zijn harp voor de dieren (1917 - 1920) by Henri van der Stok and Vereniging tot bevordering van het… https://www.rawpixel.com/image/13740483/image-paper-cartoon-faceFree Image from public domain licenseAn Inca man requests a goddess of the Incas to hand over coca, but she refuses, holding a bottle of coca wine for herself.… https://www.rawpixel.com/image/13964865/image-cartoon-face-handFree Image from public domain licenseHerdenkingskaart met kruis, pioenroos en veldbloemen (c. 1850 - c. 1950) by anonymous https://www.rawpixel.com/image/13735344/image-paper-rose-flowerFree Image from public domain licenseTrès Parisien. La Mode, Le Chic, L’Elégance (1920) by anonymous, Madeleine Madeleine and G P Joumard https://www.rawpixel.com/image/13737881/image-paper-cartoon-faceFree Image from public domain licenseHyacint op een glazen vaas (1884 - 1931) by Willem Roelofs II https://www.rawpixel.com/image/13739157/hyacint-een-glazen-vaas-1884-1931-willem-roelofsFree Image from public domain licenseMan maakt een foto van een vrouw (1900 - 1950) by anonymous https://www.rawpixel.com/image/13735923/man-maakt-een-foto-van-een-vrouw-1900-1950-anonymousFree Image from public domain licenseKalenderblad voor oktober 1901 (1900) by Gebroeders Braakensiek, Netty van der Waarden, Gebroeders Braakensiek and C A J van… https://www.rawpixel.com/image/13735737/image-paper-plant-personFree Image from public domain licenseTipsy (no. 1) (1930) by Kobayakawa Kiyoshi, Kobayakawa Kiyoshi, Takano Shichinosuke and Ono Tomisaburō https://www.rawpixel.com/image/13735757/image-paper-cartoon-faceFree Image from public domain licenseSnow-laden Pine Boughs (1663-1743) Japanese botanical illustration by Ogata Kenzan. Original public domain image from The… https://www.rawpixel.com/image/10103580/image-plant-art-vintageFree Image from public domain licenseDurga kills the buffalo demon. Gouache painting by an Indian artist, 1800s. https://www.rawpixel.com/image/13951954/durga-kills-the-buffalo-demon-gouache-painting-indian-artist-1800sFree Image from public domain licenseNa een bezoek aan het badhuis (1933) by Kotondo Torii and Ikeda https://www.rawpixel.com/image/13732569/een-bezoek-aan-het-badhuis-1933-kotondo-torii-and-ikedaFree Image from public domain licenseTwee mannen aan tafel in de open lucht (1921) by Jules Germain, Roger de la Fresnaye, Coulouma and Éditions de la nouvelle… https://www.rawpixel.com/image/13735584/image-paper-cartoon-faceFree Image from public domain licenseDe Komoro rivier bij Tennoji (1880) by Kobayashi Kiyochika and Fukuda Kumajirô https://www.rawpixel.com/image/13732341/komoro-rivier-bij-tennoji-1880-kobayashi-kiyochika-and-fukuda-kumajiroFree Image from public domain licenseEx libris van Hanna Ráczné Zerkowitz (1932) by Kornél Révész https://www.rawpixel.com/image/13736137/libris-van-hanna-raczne-zerkowitz-1932-kornel-reveszFree Image from public domain licenseOntwerp voor een Diplome d'Honneur (1869) by Johan Philip Koelman https://www.rawpixel.com/image/13734680/ontwerp-voor-een-diplome-dhonneur-1869-johan-philip-koelmanFree Image from public domain licenseInitial S: The Conversion of Saint Paul by Pisanello and Master of the Antiphonal Q of San Giorgio Maggiore https://www.rawpixel.com/image/14263423/image-background-cartoon-horsesFree Image from public domain licenseNature's gift to mankind / The Bile Bean Manufacturing Co. https://www.rawpixel.com/image/13967247/natures-gift-mankind-the-bile-bean-manufacturing-coFree Image from public domain licenseDesign for a Brooch (16th century) vintage cherub. Original public domain image from The Smithsonian Institution. Digitally… https://www.rawpixel.com/image/10103610/image-face-pattern-vintageFree Image from public domain licenseJames Madison - 4th President of the United States by A. Newsam. Original from Liberty of Congress. Digitally enhanced by… https://www.rawpixel.com/image/7615226/image-frame-art-vintageFree Image from public domain licenseBos rozen en violen (1845 - c. 1865) by anonymous, Gerardina Jacoba van de Sande Bakhuyzen, Koninklijke Nederlandse… https://www.rawpixel.com/image/13733646/image-paper-rose-flowerFree Image from public domain licenseA red-faced king stands in a red robe, flanked by a queen and the deity Mercury in green clothes; representing a stage in… https://www.rawpixel.com/image/13968868/image-cartoon-person-crownsFree Image from public domain licenseDenise Poncher before a Vision of Death by Master of the Chronique scandaleuse https://www.rawpixel.com/image/14263348/denise-poncher-before-vision-death-master-the-chronique-scandaleuseFree Image from public domain licenseHemelkaart met de noordelijke en zuidelijke sterrenbeelden (1707) by anonymous, G C Einmarti and Johann Baptista Homann https://www.rawpixel.com/image/13739778/image-paper-book-artFree Image from public domain licenseLeaf from Ms. Ludwig II 7 with The Crucifixion by Mesrop of Khizan https://www.rawpixel.com/image/14263292/leaf-from-ms-ludwig-with-the-crucifixion-mesrop-khizanFree Image from public domain license