Eiffel Tower (1924) painting in high resolution by Robert Delaunay. https://www.rawpixel.com/image/7728763/eiffel-tower-1924-painting-high-resolution-robert-delaunayFree Image from public domain licenseLouis Cobbett injecting a hamster with anti-toxin in the Pathology Department of Cambridge University, assisted by Alfred… https://www.rawpixel.com/image/13952321/photo-image-person-hospital-manFree Image from public domain licenseLouis Cobbett and Alfred Clark in the Pathology Department of Cambridge University. Copy photograph, ca. 1960 after the… https://www.rawpixel.com/image/13979277/photo-image-person-clothing-manFree Image from public domain licenseBuildings and alumni of Charterhouse, London and Surrey. Colour lithograph by Beynon & Company after [H. Hale]. https://www.rawpixel.com/image/13978677/image-cartoon-face-personFree Image from public domain license