Landscape with a Rainbow over a Farmhouse and Distant Village by Vincent Jansz. van der Vinne https://www.rawpixel.com/image/9184490/image-vintage-illustrations-rainbow-painting-landscapeFree Image from public domain licenseDistinguished British men of science 1807-1808 assembled in the library of the Royal Institution, London. Mezzotint by W.… https://www.rawpixel.com/image/13975701/image-person-art-clothingFree Image from public domain licenseDistinguished British men of science 1807-1808 assembled in the library of the Royal Institution, London. Mezzotint by W.… https://www.rawpixel.com/image/13981199/image-person-art-clothingFree Image from public domain licenseHaarlem, North Holland: the Paviljoen Welgelegen, the seat of Henry Hope. Etching by B. Comte, 1792, after H.P. Schouten… https://www.rawpixel.com/image/13998816/image-cloud-horse-personFree Image from public domain licenseThe distinguished men of science 1807-8: a key to the identities of the sitters. Photograph of engraving by W. Walker, 1862… https://www.rawpixel.com/image/14011458/image-cartoon-face-personFree Image from public domain license