Optics: a simple microscope. Coloured engraving by J. Pass, 1820. https://www.rawpixel.com/image/13969999/optics-simple-microscope-coloured-engraving-pass-1820Free Image from public domain licensePark of captured guns, Richmond, Va., 1865. Photographer: Brady, Mathew, 1823 (ca.) - 1896. 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Wright fires a weapon during a Dynamics of International Terrorism… https://www.rawpixel.com/image/3315396/free-photo-image-army-cc0-creative-commonsFree Image from public domain licenseA man sitting on top of an elephant, which is carrying a bundle of long green harvest. Gouache painting on mica by an Indian… https://www.rawpixel.com/image/13951400/image-cartoon-people-artFree Image from public domain licenseSnow falls on ammunition cans lined up on the ground as Airmen. Original public domain image from Flickr https://www.rawpixel.com/image/4031980/photo-image-ice-box-public-domainFree Image from public domain licenseU.S. Army Pfcs. Nicholas Sudano, right, and Nicholas Querzoli, both assigned to the Zabul Provincial Reconstruction Team… https://www.rawpixel.com/image/8738870/photo-image-public-domain-people-gunFree Image from public domain licenseBlack gun png sticker, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6328768/png-sticker-public-domainFree PNG from public domain licenseBullet holes png sticker, shotgun illustration on transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6286819/png-public-domain-shapeFree PNG from public domain licenseMurder. "Well done," said Kultur. Postcard featuring a color illustration of a skeleton in a black robe and a German soldier… https://www.rawpixel.com/image/8782596/image-art-person-fireFree Image from public domain licenseAmerica. The unanimous declaration of the thirteen United States. (1970) vintage poster by Michael David Brown. Original… https://www.rawpixel.com/image/8631592/image-art-public-domain-illustrationFree Image from public domain licenseTraining in marksmanship helps girls at Roosevelt High School in Los Angeles, Calif., develop into responsible women. Part… https://www.rawpixel.com/image/8765672/photo-image-sparkle-hamburgers-vintageFree Image from public domain licenseRoulette gun png sticker vintage weapon illustration, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6261222/png-vintage-public-domainFree PNG from public domain licenseRevolver gun png sticker, weapon hand drawn illustration, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6287321/png-sticker-vintageFree PNG from public domain licenseThe Wreck of the Reliance (November 12, 1842) by George Baxter https://www.rawpixel.com/image/8973178/the-wreck-the-reliance-november-12-1842-george-baxterFree Image from public domain licenseRay gun man hand drawn clipart, astronaut illustration vector. 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Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338266/free-photo-image-gun-handgun-bulletFree Image from public domain licenseU.S. Marines with Combat Assault Company, attached to 2nd Battalion, 3rd Marine Regiment, conduct demolition breaching… https://www.rawpixel.com/image/3315429/free-photo-image-war-army-battleFree Image from public domain licenseSpace police png sticker, sci-fi character vintage illustration on transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6489313/png-sticker-vintageFree PNG from public domain licenseSerjeant Musgrave's dance by John Arden (1970) poster by Lanny Sommese. Original public domain image from the Library of… https://www.rawpixel.com/image/8683775/image-art-vintage-public-domainFree Image from public domain licenseDrawing of the Smith Premier typewriter (1910) vintage illustration. Original public domain image from Wikimedia Commons.… https://www.rawpixel.com/image/11493455/image-art-illustrations-vintageFree Image from public domain licenseAn Afghan National Army (ANA) soldier assigned to the Mobile Strike Force Kandak fires a RPG-7 rocket-propelled grenade… https://www.rawpixel.com/image/3577890/free-photo-image-middle-east-afghan-national-armyFree Image from public domain licenseThe Tiger at Bay: an illustration for Captain Thomas Williamson's "Oriental Field Sports" https://www.rawpixel.com/image/9201510/image-watercolors-tiger-palm-treesFree Image from public domain licenseTraining Camp Activities. Bayonet fighting instruction by an English Sergeant Major, Camp Dick, Texas, ca. 1917 - ca. 1918.… https://www.rawpixel.com/image/8765685/photo-image-vintage-person-gunFree Image from public domain licenseU. S. Ship North Carolina, 102 Guns by Lithographed and published by Nathaniel Currier (American, Roxbury, Massachusetts… https://www.rawpixel.com/image/9084669/image-vintage-maps-public-domain-north-carolinaFree Image from public domain licenseThe Third Tournament, with Knights Breaking Lances by Lucas Cranach, the Elder https://www.rawpixel.com/image/8969501/the-third-tournament-with-knights-breaking-lances-lucas-cranach-the-elderFree Image from public domain licenseSunset Magazine: Thanksgiving Number, November (1904) vintage poster by Lafayette Maynard Dixon. Original public domain… https://www.rawpixel.com/image/8639195/image-art-public-domain-illustrationFree Image from public domain licenseBooks wanted for our men in camp and over there; take your gifts to the public library (1874-1960) chromolithograph by… https://www.rawpixel.com/image/10544335/image-face-person-artFree Image from public domain licenseBritish royal guard png sticker, vintage illustration on transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6510548/png-sticker-vintageFree PNG from public domain licenseColt Model 1851 Navy Percussion Revolver, Serial Number 29705, with Case and Accessories https://www.rawpixel.com/image/9085540/photo-image-paper-art-vintageFree Image from public domain licenseU.S. Marine Corps Lance Cpl. Jacob Kartchner, assigned to 3rd Battalion, 3rd Marine Regiment, walks with Afghan children… https://www.rawpixel.com/image/3317783/free-photo-image-afghanistan-military-3rd-battalionFree Image from public domain licenseMusterblätter enthaltend die anwendbarsten Jagdstücke u. Arabesken für Büchsenschäfter, Graveure etc. (Zella bei Gotha, n.d.… https://www.rawpixel.com/image/9084468/image-paper-art-vintageFree Image from public domain licenseHundreds of black waiters marched in with each course in military order (1919) by George Hand Wright https://www.rawpixel.com/image/11907440/image-person-art-vintageFree Image from public domain licenseAstronomy: a diagram of the heavens. Coloured engraving by Seale. https://www.rawpixel.com/image/13963740/astronomy-diagram-the-heavens-coloured-engraving-sealeFree Image from public domain licenseTributes to the Soldiers in WarCollection:Images from the History of Medicine (IHM) Author(s):Carpanetto, Giovanni Battista… https://www.rawpixel.com/image/9647167/image-face-hand-personFree Image from public domain licenseGreenville Police, Greenville, NC Police Department, date unknown. Original public domain image from Flickr https://www.rawpixel.com/image/9659016/image-person-woman-public-domainFree Image from public domain licenseA U.S. Marine with the 24th Marine Expeditionary Unit (MEU) carries cold weather equipment as he begins to march across the… https://www.rawpixel.com/image/3317605/free-photo-image-american-army-careerFree Image from public domain licenseSoldiers assigned to 1st Battalion, 5th Infantry Regiment, 1st Stryker Brigade Combat Team, 25th Infantry Division, U.S.… https://www.rawpixel.com/image/4031960/photo-image-light-people-fireFree Image from public domain licenseIraqi soldiers from 20th Brigade, 5th Iraqi Army Division participate in a mortar demonstration for Iraqi officials on a… https://www.rawpixel.com/image/3317750/free-photo-image-war-ctcs-americanFree Image from public domain licenseA policeman (Granville George Leveson-Gower, 2nd Earl Granville) restrains another policeman (Gladstone) from interfering in… https://www.rawpixel.com/image/13968297/image-cartoon-face-peopleFree Image from public domain licenseSix Gun City, Route 2, Jefferson, New Hampshire (1984) photography in high resolution by John Margolies. Original from the… https://www.rawpixel.com/image/3803731/photo-image-blue-vintage-retroFree Image from public domain licenseA treatise on operative surgery comprising a description of the various processes of the art, including all the new… https://www.rawpixel.com/image/13957467/image-cartoon-face-personFree Image from public domain license‘3 Geronimo’ paratroopers qualify on M249 light machine guns at JBER. Original public domain image from Flickr https://www.rawpixel.com/image/4032040/photo-image-people-manFree Image from public domain licenseRed Cross workers carrying wounded bugler into hospital / Underwood & Underwood, N.Y. https://www.rawpixel.com/image/13968404/image-face-person-crossFree Image from public domain licenseShotgun drawing, vintage weapon illustration. Free public domain CC0 image. https://www.rawpixel.com/image/6485593/image-vintage-public-domain-illustrationsFree Image from public domain licenseAstrology: constellations, Hercules. Coloured engraving by S. Hall, 1825. https://www.rawpixel.com/image/13958886/astrology-constellations-hercules-coloured-engraving-hall-1825Free Image from public domain licenseElectricity: scientific and electrical equipment. Coloured engraving by J. Emslie, 1850, after himself. https://www.rawpixel.com/image/13959870/image-technology-lightning-public-domainFree Image from public domain licenseYoung Somali women, training to become Military Police, train with plastic weapons in order to learn how to shoot correctly… https://www.rawpixel.com/image/3372894/free-photo-image-hijab-africa-cc0Free Image from public domain licenseThe Highland Fling - a bonnie shot for a canny scot (1876) by Published by Currier & Ives. Original public domain image from… https://www.rawpixel.com/image/8627209/image-art-vintage-public-domainFree Image from public domain licenseColt Model 1855 Pocket Percussion Revolver, Serial no. 4460, with Case and Accessories https://www.rawpixel.com/image/9084384/photo-image-art-vintage-treeFree Image from public domain license‘3 Geronimo’ paratroopers qualify on M249 light machine guns at JBER. Original public domain image from Flickr https://www.rawpixel.com/image/4032007/photo-image-public-domain-warFree Image from public domain licenseNorthumberland Head Inn at Corner of Fort St. and Gun St., Spitalfields by John Phillipps Emslie. Digitally enhanced by… https://www.rawpixel.com/image/9298797/image-art-watercolour-vintageFree Image from public domain licenseA U.S. Special Forces Soldier with Combined Joint Special Operations Task Force-Afghanistan and Afghan National Army… https://www.rawpixel.com/image/3315611/free-photo-image-war-army-battleFree Image from public domain licenseEliminate crime in the slums through housing (1936) poster by Federal Art Project. Original public domain image from the… https://www.rawpixel.com/image/8631596/image-art-vintage-public-domainFree Image from public domain licenseBoer War: army doctor treating a patient in the midst of a firing line. Coloured process print. https://www.rawpixel.com/image/13968757/image-person-art-clothingFree Image from public domain license