A horrified old woman observing the monstrous contents of a drop of water through a microscope. Coloured transparency… https://www.rawpixel.com/image/13978660/image-cartoon-face-personFree Image from public domain licenseEngineering: drills for boring artesian wells. Lithograph by Martin and Hood, 1852, after C.J. Light. https://www.rawpixel.com/image/13970951/image-light-public-domain-gunFree Image from public domain licenseA bearded man in a bathing-costume requests a light fo rhis cigar from a fully-dressed British couple walking on the beach… https://www.rawpixel.com/image/14012425/image-cartoon-person-artFree Image from public domain licenseUpon Awakening I Saw the Goddess of the Intelligible With Her Severe and Hard Profile, plate 6 of 6 by Odilon Redon https://www.rawpixel.com/image/8992763/image-paper-person-artFree Image from public domain licenseJules de L (also known as Lasteyrie the Argand lamp). Former member of the opposition, now ennemy of the light... blinded by… https://www.rawpixel.com/image/8980081/image-paper-person-artFree Image from public domain licenseAnimal skull, shown from beneath, above and from the side. Lithograph by R. Ball , 1857. https://www.rawpixel.com/image/13985624/image-paper-cartoon-faceFree Image from public domain licenseCrimean War: panoramic view of the interior of Fort Nicholas. Tinted lithograph by E. Walker, 1856, after W. Simpson. https://www.rawpixel.com/image/13978400/image-person-clothing-public-domainFree Image from public domain licenseThe funeral service of the Duke of Orleans at Dreux prior to his burial, 1842. Lithograph by Grenier de Saint Martin and I… https://www.rawpixel.com/image/13983069/image-person-church-artFree Image from public domain license8th Xhosa War: the funeral of a British war victim under torchlight on the field. Lithograph, ca. 1852. https://www.rawpixel.com/image/13985243/image-person-art-skyFree Image from public domain licenseThe Impotent Wing Did Not Lift the Animal Into That Black Space, plate 7 of 8 from "Les Origines" by Odilon Redon https://www.rawpixel.com/image/8978013/image-paper-person-spaceFree Image from public domain licenseThere Were Struggles and Vain Victories, plate 6 of 8 from "Les Origines" by Odilon Redon https://www.rawpixel.com/image/8977079/image-paper-horse-personFree Image from public domain licenseFour men and a woman in the audience of a theatre, seated in the front box above the orchestra. Lithograph after Grenier. https://www.rawpixel.com/image/13984728/image-paper-cat-cartoonFree Image from public domain licenseSiren Coming out of the Waves, Dressed in Flames, plate 4 of 8 from "Les Origines" by Odilon Redon https://www.rawpixel.com/image/8976229/image-paper-person-artFree Image from public domain licensePortrait or self-portrait of Achille Devéria by Achille Devéria and Théodule Devéria https://www.rawpixel.com/image/14271469/image-background-face-personFree Image from public domain licenseVintage illustration of a wasp trap digitally enhanced from our own vintage edition of The Fruit Grower's Guide (1891) by… https://www.rawpixel.com/image/50862/free-illustration-image-trap-fly-waspFree Image from public domain license