Solar and lunar eclipse diagrams (1830–1839), vintage illustration by L. P. Daniels. Original public domain image from… https://www.rawpixel.com/image/9424837/image-art-vintage-illustrationFree Image from public domain licenseView from a Window in Toldbodvej Looking Towards the Citadel in Copenhagen by Christen Købke https://www.rawpixel.com/image/8922490/image-paper-art-vintageFree Image from public domain licenseA band is tuning up in a theatre; the stage curtain is inscribed "The autumn session 1890-1". Colour lithograph by Tom… https://www.rawpixel.com/image/13953743/image-person-art-swordFree 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 licenseSome Fellows of the Royal Society: a key to the identities of the sitters. Wood engraving, 1885. https://www.rawpixel.com/image/13985855/image-face-flower-personFree 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 licenseDominik, Edler von Vivenot. Lithograph by J. Kriehuber, 1831. https://www.rawpixel.com/image/14015340/dominik-edler-von-vivenot-lithograph-kriehuber-1831Free 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