Gold-inlaid Colt Model 1851 Navy Revolver (serial no. 20133), with Case and Accessories https://www.rawpixel.com/image/9186333/photo-image-paper-aesthetics-frameFree Image from public domain licenseGold-inlaid Colt Model 1849 Pocket Revolver (serial no. 63306) https://www.rawpixel.com/image/12491030/gold-inlaid-colt-model-1849-pocket-revolver-serial-no-63306Free Image from public domain licenseElectro-Physiologie Photographique (Portrait of a Woman), Fig. 35 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14262976/photo-image-face-person-manFree Image from public domain licenseFig. 65 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318408/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 78 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316659/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseRouen. Eglise Saint-Ouen, Façade, flèches. by Bisson Frères https://www.rawpixel.com/image/14260528/rouen-eglise-saint-ouen-facade-fleches-bisson-freresFree Image from public domain licenseFear and Horror by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14263009/fear-and-horror-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 38 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318577/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 80 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318568/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 74 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318411/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 21 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318417/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 24 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318406/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 77 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318376/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 13 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318391/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 36 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318396/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 17 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318264/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseTableau Synoptique (Fig. 9) by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318250/image-face-person-bookFree Image from public domain licenseFig. 29 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318203/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseSpécimen d'une Expérience Électro-Physiologique by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14318245/image-face-people-artFree Image from public domain licenseNiagara Suspension Bridge by Langenheim Brothers Frederick and William Langenheim https://www.rawpixel.com/image/14313588/image-art-public-domain-paintingFree Image from public domain licenseFig. 52 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317970/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 46 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317852/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 27 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317849/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 73 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317844/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 9 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317803/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 47 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317789/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 34 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317771/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 51 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317743/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 84 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317752/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 49 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317735/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseTableau Synoptique (Fig. 4) by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317742/image-face-person-bookFree Image from public domain licenseFig. 71 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317734/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 3 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317681/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 6 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317724/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 8 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317679/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 60 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317677/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 40 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317660/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 82 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317668/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 57 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317645/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 30 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317617/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseProfessor Graham, M.A., D.C.L., F.R.S. by Maull and Polyblank https://www.rawpixel.com/image/14320557/professor-graham-ma-dcl-frs-maull-and-polyblankFree Image from public domain licenseFig. 56 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317558/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 76 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317561/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 14 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317555/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 16 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317547/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 11 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317542/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseElectro-physiologie Photographique, Fig. 81 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14312966/image-face-hand-personFree Image from public domain licenseFig. 72 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317497/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 31 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317472/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 42 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317461/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 4 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317456/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 70 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317320/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 79 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317319/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseView of North Beach, from Telegraph Hill by George R Fardon https://www.rawpixel.com/image/14324332/view-north-beach-from-telegraph-hill-george-fardonFree Image from public domain licenseFig. 62 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317172/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 41 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317175/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 10 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317128/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 35 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317040/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 67 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317044/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 45 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14317034/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 58 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316991/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 19 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316988/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 15 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316985/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 26 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316948/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 83 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316934/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 44 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316930/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 48 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316923/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 12 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316921/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 54 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316893/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain licenseFig. 33 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14316881/fig-guillaume-benjamin-duchenne-and-adrien-alban-tournachonFree Image from public domain license