The Panama Canal: Baron de Reinach, one of the promoters of the canal, is forced to swallow poison. Watercolour drawing by… https://www.rawpixel.com/image/13955909/image-dog-paper-cartoonFree Image from public domain licenseDiederik Baron van Leyden van Vlaardingen (1695-1764). Burgomaster of Leiden, with his Wife Sophia Dina de Rovere and their… https://www.rawpixel.com/image/13742864/image-face-person-artFree Image from public domain licenseSix examples of "the march of intellect". Coloured etching by R. Seymour, 1829. https://www.rawpixel.com/image/13970057/six-examples-the-march-intellect-coloured-etching-seymour-1829Free Image from public domain licenseJohn William Strutt, 3rd Baron Rayleigh. Photogravure after Sir P. Burne-Jones. https://www.rawpixel.com/image/13967793/john-william-strutt-3rd-baron-rayleigh-photogravure-after-sir-burne-jonesFree Image from public domain licenseGuitar Player of Seville by Baron Adolf de Meyer and Alfred Stieglitz https://www.rawpixel.com/image/14327260/guitar-player-seville-baron-adolf-meyer-and-alfred-stieglitzFree Image from public domain licenseA satyr on a pedestal kicks out at a magician while a priestess attempts to insert a clyster-pipe; depicting a play called… https://www.rawpixel.com/image/14017297/image-cartoon-people-artFree Image from public domain licenseDavid playing his harp for a distraught Saul. Steel engraving by P. Vallot after A. Gros. https://www.rawpixel.com/image/14017972/image-person-art-clothingFree Image from public domain licenseA voyage from England to India, in the year MDCCLIV. And an historical narrative of the operations of the squadron and army… https://www.rawpixel.com/image/13999760/image-paper-cartoon-plantsFree Image from public domain licenseDavid playing his harp for a distraught Saul. Steel engraving by J. Rogers after A. Gros. https://www.rawpixel.com/image/13976291/image-face-person-artFree Image from public domain licenseRobert Peel as a pugilist attacking night watchmen with the intention of replacing them by the police force. Etching by Paul… https://www.rawpixel.com/image/13986558/image-paper-cartoon-faceFree Image from public domain licenseMuseum of Practical Geology: a lecture by Lyon Playfair on the chemistry, manufacture and uses of glass. Wood engraving… https://www.rawpixel.com/image/14007412/image-person-art-musicFree Image from public domain license