Smith and Wesson .44 New Model No. 3 Single-Action Revolver, serial no. 25120 https://www.rawpixel.com/image/9331346/photo-image-frame-vintage-public-domainFree Image from public domain licenseLa Marche / La Course Rapide by Étienne Jules Marey and Michel Berthaud https://www.rawpixel.com/image/14254811/marche-course-rapide-etienne-jules-marey-and-michel-berthaudFree Image from public domain licenseRuins of Escalier d'Honneur, Chateau de Saint-Cloud by Charles Maindron https://www.rawpixel.com/image/14250239/ruins-escalier-dhonneur-chateau-saint-cloud-charles-maindronFree Image from public domain licenseGeorge Frederick Watts, R.A. by Henry Herschel Hay Cameron https://www.rawpixel.com/image/14323248/george-frederick-watts-ra-henry-herschel-hay-cameronFree Image from public domain licenseMajor-]General [Benjamin Franklin] Butler (1818 - 1893 by Mathew B Brady https://www.rawpixel.com/image/14308003/major-general-benjamin-franklin-butler-1818-1893-mathew-bradyFree Image from public domain license