Spermatozoa of a mouse. Photomicrograph by Léon Foucault, 1844. https://www.rawpixel.com/image/13970268/spermatozoa-mouse-photomicrograph-leon-foucault-1844Free Image from public domain licenseAttic Black-Figure Siana Cup Fragment by Heidelberg Painter https://www.rawpixel.com/image/14245878/attic-black-figure-siana-cup-fragment-heidelberg-painterFree Image from public domain licenseThe Moon (left) May 9, 1859; (right) Feb. 19, 1858 by Warren De la Rue and Beck and Beck Smith https://www.rawpixel.com/image/14257786/photo-image-space-moon-circleFree Image from public domain licenseFull Moon, from negatives by L.M. Rutherford. Taken Sept. 15 and Nov. 13, 1864. by Lewis M Rutherfurd and Edward Bierstadt https://www.rawpixel.com/image/14256386/photo-image-space-moon-circleFree Image from public domain licenseBowl with The Virgin and the Unicorn and arms of Matthias Corvinus and Beatrice of Aragon https://www.rawpixel.com/image/12837102/photo-image-unicorn-border-flowersFree Image from public domain license[The Moon (left) Feb. 27, 1858; (right) Sept. 11, 1859] / The Moon by Warren De la Rue and Beck and Beck Smith https://www.rawpixel.com/image/14257937/photo-image-space-moon-circleFree Image from public domain licenseCamp Tents with Suess and Dickens Sitting by Carleton Watkins https://www.rawpixel.com/image/14248537/camp-tents-with-suess-and-dickens-sitting-carleton-watkinsFree Image from public domain licenseEngraved Gem with Victory in a Chariot and Zodiac Symbols https://www.rawpixel.com/image/14245891/engraved-gem-with-victory-chariot-and-zodiac-symbolsFree Image from public domain licenseMicroscopische opname van een sprinkhaanvleugel, negentig keer vergroot (1887 - 1888) by Marinus Pieter Filbri https://www.rawpixel.com/image/13732382/photo-image-paper-art-patternFree Image from public domain licensePyramids of Cheops, Egypt, 484 feet high, 800 feet square at the base; covers nearly 13 acres of ground...260,000 men 20… https://www.rawpixel.com/image/14256904/photo-image-art-camel-pyramidFree Image from public domain licenseHoly Family with Saint John the Baptist Adored by an Unidentified Figure by Bartolomeo Cesi https://www.rawpixel.com/image/14258868/photo-image-face-frame-personFree Image from public domain licenseOil and Water Color Paintings, by Geo. Burgess. by Thomas Houseworth and Company https://www.rawpixel.com/image/14256052/photo-image-background-face-frameFree Image from public domain licenseContorni di Salerno - (Abbadia Trinità della Cava) Ambone per l'Evangelo; stile Cosmatesco, XIII secolo by Giacomo Brogi https://www.rawpixel.com/image/14248361/photo-image-dog-lions-personFree Image from public domain licensePlaque depicting Jacob choosing Rachel to be his Bride by Alcora Ceramic Factory and Jacopo Amigoni https://www.rawpixel.com/image/14259689/photo-image-background-face-handFree Image from public domain licenseThis is sabotage--just as destructive as revealing ship movements to the enemy. Sourced from the Library of Congress. https://www.rawpixel.com/image/12303691/image-face-frame-personFree Image from public domain licensePortret van een onbekende halfnaakte vrouw met tamboerijn (1840 - 1860) by anonymous https://www.rawpixel.com/image/13756460/photo-image-face-frame-personFree Image from public domain licenseFotoreproductie van een ronde afbeelding met in het midden vermoedelijk Pallas Athena (c. 1875 - c. 1900) by anonymous and… https://www.rawpixel.com/image/13754638/photo-image-frame-person-artFree Image from public domain licenseGlas-in-loodraam in de Dom van Keulen (1883 - 1900) by anonymous https://www.rawpixel.com/image/13758556/glas-in-loodraam-dom-van-keulen-1883-1900-anonymousFree Image from public domain licenseMozaïek met geometrische patronen, vermoedelijk een vloer (c. 1875 - c. 1900) by anonymous https://www.rawpixel.com/image/13754666/photo-image-frame-art-patternFree Image from public domain licensePortret van een onbekende man (1860 - 1890) by Elkan Sanders https://www.rawpixel.com/image/13758833/portret-van-een-onbekende-man-1860-1890-elkan-sandersFree Image from public domain licensePortret van een onbekende melkboer bij zijn bakfiets (c. 1950 - c. 1969) by anonymous https://www.rawpixel.com/image/13758101/photo-image-face-person-clothingFree Image from public domain licenseTexture background for motion picture and filmstrip titles. Cotton fabric. Sourced from the Library of Congress. https://www.rawpixel.com/image/12323630/image-background-texture-frameFree Image from public domain licenseRuit met voorstelling van een boer die aan het snoeien is (c. 1500 - c. 1525) by Meester van de Dood van Absalom and… https://www.rawpixel.com/image/13749289/photo-image-face-person-artFree Image from public domain licenseSpermatozoa of a frog. Photomicrograph by Léon Foucault, 1844. https://www.rawpixel.com/image/13988034/spermatozoa-frog-photomicrograph-leon-foucault-1844Free Image from public domain licenseTegel beschilderd met vier groene hagedissen (c. 1900) by Bert Nienhuis I https://www.rawpixel.com/image/13748869/tegel-beschilderd-met-vier-groene-hagedissen-c-1900-bert-nienhuisFree Image from public domain licensePortret van een vrouw met een parelcollier (1775 - 1813) by Leonardus Temminck https://www.rawpixel.com/image/13796040/portret-van-een-vrouw-met-een-parelcollier-1775-1813-leonardus-temminckFree Image from public domain licenseMozaïek met geometrische patronen, vermoedelijk een vloer (c. 1875 - c. 1900) by anonymous https://www.rawpixel.com/image/13755003/photo-image-background-frame-artFree Image from public domain licenseReliëf, voorstellende een personificatie van de dag (1879) by Sophus Williams https://www.rawpixel.com/image/13757171/relief-voorstellende-een-personificatie-van-dag-1879-sophus-williamsFree Image from public domain licenseOne block of glass, one of aluminium, two of calcite and two of quartz, viewed under x-ray. Photoprint from radiograph by… https://www.rawpixel.com/image/14016169/photo-image-paper-art-circleFree Image from public domain licensePortret van een vrouw (1758 - 1809) by George Nikolaus Ritter https://www.rawpixel.com/image/13796035/portret-van-een-vrouw-1758-1809-george-nikolaus-ritterFree Image from public domain licenseGrafbord van Rogier van Heijningen (gestorven 1665), directeur van Bengalen (1663-65) (1665) by anonymous https://www.rawpixel.com/image/13751485/photo-image-frame-art-patternFree Image from public domain licenseDish with a flower basket in a square frame with folded corners (c. 1730 - c. 1745) by anonymous https://www.rawpixel.com/image/13745371/photo-image-flower-frame-plantFree Image from public domain licenseAlbertus Jacob Duymaer van Twist (1809-87). Gouverneur-generaal (1851-55) (1861) by Herman Antonie de Bloeme https://www.rawpixel.com/image/13792490/photo-image-face-frame-personFree Image from public domain licenseFotoreproductie van een tekening van een Engelse setter (c. 1865 - c. 1870) by C Brasch, anonymous and Jac Rookmaaker https://www.rawpixel.com/image/13758590/photo-image-dog-frame-artFree Image from public domain license