Aristotle. Line engraving by A. Blanchard after P. P. Rubens. https://www.rawpixel.com/image/14003566/aristotle-line-engraving-blanchard-after-rubensFree Image from public domain licenseSir Isaac Newton. Line engraving by A. de St Aubin after himself after J. Roettiers, 1739. https://www.rawpixel.com/image/13991637/image-face-person-artFree Image from public domain licenseA chaperone introduces a young dancer or actress in costume to an elderly man in top hat and tails; he chucks the young… https://www.rawpixel.com/image/14013879/image-paper-cartoon-faceFree Image from public domain license[Untitled photo, possibly related to: Picket line in front of Mid-City Realty Company. South Chicago, Illinois]. Sourced… https://www.rawpixel.com/image/12335014/image-people-road-public-domainFree Image from public domain licenseGod creates man and woman. Line engraving by E. Charpy after J. Sadeler. https://www.rawpixel.com/image/13987669/god-creates-man-and-woman-line-engraving-charpy-after-sadelerFree Image from public domain licenseProduction. Pratt and Whitney airplane engines. Power section crank cases for Pratt and Whitney airplane engines undergo a… https://www.rawpixel.com/image/12306989/image-plant-person-artFree Image from public domain licenseConversion. Safety razor plant. In a New England plant manufacturing safety razors, honed head blade clips for razors.… https://www.rawpixel.com/image/12307072/image-plant-person-technologyFree Image from public domain licenseGreen running man doodle vector icon https://www.rawpixel.com/image/2789248/premium-illustration-vector-running-figure-art-businessView licenseUseful business psd icons green for marketing set https://www.rawpixel.com/image/2788951/premium-illustration-psd-art-business-cartoonView licenseLanfranc. Line engraving by E. Ficquet, 1765, after A. Humblot. https://www.rawpixel.com/image/13978198/lanfranc-line-engraving-ficquet-1765-after-humblotFree Image from public domain license[Untitled photo, possibly related to: Part of the mess line in the camp for flood refugees, Forrest City, Arkansas] https://www.rawpixel.com/image/12108625/image-face-person-artFree Image from public domain licenseJames Sowerby. Line engraving by Mrs D. Turner after T. Heaphy, 1818. https://www.rawpixel.com/image/13971732/james-sowerby-line-engraving-mrs-turner-after-heaphy-1818Free Image from public domain licenseMounting a wheel on a halftrac scout car is made as simple a job as possible. The soldier in the field won't have the… https://www.rawpixel.com/image/12306573/image-person-man-lineFree Image from public domain licenseAn itinerant surgeon extracting stones from a man's head; symbolising the expulsion of 'folly' (insanity) Line engraving by… https://www.rawpixel.com/image/14014651/image-cartoon-face-personFree Image from public domain licenseValentine Greatrakes. Line engraving by W. Faithorne, 1666. https://www.rawpixel.com/image/14020806/valentine-greatrakes-line-engraving-faithorne-1666Free Image from public domain licenseFrancesco Aglietti. Line engraving by A. Viviani after G. Busato. https://www.rawpixel.com/image/13974898/francesco-aglietti-line-engraving-viviani-after-busatoFree Image from public domain licenseNicolas Léméry. Line engraving by C. Vermeulen after L. E. Ferdinand. https://www.rawpixel.com/image/13988919/nicolas-lemery-line-engraving-vermeulen-after-ferdinandFree Image from public domain licenseSamuel Christian Friedrich Hahnemann. Line engraving by L. Beyer after J. Schoppe, senior, 1831. https://www.rawpixel.com/image/13984641/image-face-person-artFree Image from public domain licenseBoys with books line up in front of a seated man and other children sit at a table; a woman is seated with a girl in front… https://www.rawpixel.com/image/13981315/image-cartoon-face-personFree Image from public domain licenseA seated man in a double-breasted coat smoking a pipe while he rests on a crutch under his left arm. Line engraving with… https://www.rawpixel.com/image/14007231/image-cartoon-face-personFree Image from public domain licenseGeorge Bidder, a mental calculator, aged thirteen. Line engraving by J.H. Robinson, 1819, after Miss Hayter. https://www.rawpixel.com/image/14015423/image-face-frame-personFree Image from public domain licenseBaltimore, Maryland. Bethlehem Fairfield shipyard workers boarding a former Wilson Line pleasure boat, now used for workers'… https://www.rawpixel.com/image/12336688/image-person-public-domain-womanFree Image from public domain licenseWilliam Harvey. Line engraving after W. von Bemmel, 1657. https://www.rawpixel.com/image/14021685/william-harvey-line-engraving-after-von-bemmel-1657Free Image from public domain licenseLines of cars going into Alexandria, showing traffic congestion. Louisiana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12331449/image-person-tree-roadFree Image from public domain licenseFamily trip clipart, drawing design https://www.rawpixel.com/image/6260508/family-trip-clipart-drawing-designView licenseSamuel Christian Friedrich Hahnemann. Line engraving by C. Pacces. https://www.rawpixel.com/image/13995446/samuel-christian-friedrich-hahnemann-line-engraving-paccesFree Image from public domain licenseA Tarter character with a grotesque face. Line engraving by D. Custos. https://www.rawpixel.com/image/14016843/tarter-character-with-grotesque-face-line-engraving-custosFree Image from public domain licenseA man kneeling and praying at a tomb in a cemetery is joined by another gentleman. Line engraving by Taylor after J.… https://www.rawpixel.com/image/13977418/image-cartoon-face-personFree Image from public domain licenseThe stall of a print seller in Paris: customers look at prints pegged on a line and in portfolios. Etching by J. Duplessi… https://www.rawpixel.com/image/14006005/image-paper-cartoon-faceFree Image from public domain licenseMen waiting in line outside the city mission--the first twenty-five will be fed. Dubuque, Iowa. Sourced from the Library of… https://www.rawpixel.com/image/12335905/image-people-public-domain-manFree Image from public domain licenseWilliam Bill. Line engraving by R. Grave after G. P. Harding, 1822. https://www.rawpixel.com/image/13999320/william-bill-line-engraving-grave-after-harding-1822Free Image from public domain licenseCharles de l'Ecluse [Clusius]. Line engraving by N. de Larmessin, 1682, after J. de Gheyn, 1601. https://www.rawpixel.com/image/14019411/image-face-person-artFree Image from public domain licenseGeorg Simon Kluegel. Line engraving by G. A. Liebe, 1790, after J. Rieter. https://www.rawpixel.com/image/14020976/georg-simon-kluegel-line-engraving-liebe-1790-after-rieterFree Image from public domain licenseA mentally ill patient in a strait-jacket attached to the wall and a strange barrel shaped contraption around his legs.… https://www.rawpixel.com/image/13989412/image-cartoon-face-personFree Image from public domain licenseWilliam Cuming. Line engraving by W. Sharp, 1785, after T. Beach, 1783. https://www.rawpixel.com/image/13986441/william-cuming-line-engraving-sharp-1785-after-beach-1783Free Image from public domain licenseSigismund Friedrich Hermbstädt. Line engraving by G. A. Lehmann, 1808. https://www.rawpixel.com/image/13993672/sigismund-friedrich-hermbstadt-line-engraving-lehmann-1808Free Image from public domain licenseGiacomo Toschi. Line engraving by D. Delfini after himself. https://www.rawpixel.com/image/14014068/giacomo-toschi-line-engraving-delfini-after-himselfFree Image from public domain licenseTraité sur l'aliénation mentale et sur les hospices des aliénés / [Joseph Guislain]. https://www.rawpixel.com/image/14014644/image-cartoon-face-personFree Image from public domain licenseJohann Georg Fabricius. Line engraving by J. Sandrart after D. Preissler. https://www.rawpixel.com/image/13984912/johann-georg-fabricius-line-engraving-sandrart-after-preisslerFree Image from public domain licenseA dying man making his will to lawyers while a relative cries. Line engraving. https://www.rawpixel.com/image/13989970/dying-man-making-his-will-lawyers-while-relative-cries-line-engravingFree Image from public domain license[Untitled photo, possibly related to: Sorting washed grapefruit, juice plant, Weslaco, Texas. This area of Texas, the Rio… https://www.rawpixel.com/image/12316912/image-plants-person-woodFree Image from public domain licenseTransient men waiting in line for evening meal served at 5 p.m. at the city mission. Dubuque, Iowa. Sourced from the Library… https://www.rawpixel.com/image/12334964/image-hand-people-public-domainFree Image from public domain licenseWashington, D.C. Sorting mail at the main post office. Sourced from the Library of Congress. https://www.rawpixel.com/image/12322167/image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Edwin Gorder, farmer, near Montana state line, Williams County North Dakota] by… https://www.rawpixel.com/image/12146730/image-face-person-artFree Image from public domain licenseMan holding a picture vector cartoon icon https://www.rawpixel.com/image/2789064/premium-illustration-vector-art-black-and-whiteView licenseJohn Locke. Line engraving by G. Vertue, 1738, after Sir G. Kneller, 1697. https://www.rawpixel.com/image/13986414/john-locke-line-engraving-vertue-1738-after-sir-kneller-1697Free Image from public domain licenseNicolas Louis de La Caille. Line engraving by Thérèse Devaux after Mlle Le Jeuneux. https://www.rawpixel.com/image/13998773/image-cartoon-face-personFree Image from public domain licenseAureolus Theophrastus Bombastus von Hohenheim [Paracelsus]. Line engraving by J. Payne after Q. Metsys. https://www.rawpixel.com/image/14014468/image-face-person-artFree Image from public domain licenseGodefroy Wendelin (Vendelin). Line engraving by P. Fruytiers after himself. https://www.rawpixel.com/image/14012978/godefroy-wendelin-vendelin-line-engraving-fruytiers-after-himselfFree Image from public domain licenseThe assembly floor at the Sikorsky-Vought Aircraft Corporation, Stratford, Connecticut. Sourced from the Library of Congress. https://www.rawpixel.com/image/12316845/image-person-airplane-technologyFree Image from public domain licenseA rugged, efficient power plant goes aboard the chassis of a halftrac scout car an Ohio truck plant is producing for our new… https://www.rawpixel.com/image/12306586/image-plant-person-technologyFree Image from public domain licenseAureolus Theophrastus Bombastus von Hohenheim [Paracelsus]. Line engraving by J. B. Fosseyeux. https://www.rawpixel.com/image/13988457/image-face-person-artFree Image from public domain licenseSaint Ignatius of Loyola. Line engraving by J. Caron, 1842, after J. del Conte. https://www.rawpixel.com/image/14014070/saint-ignatius-loyola-line-engraving-caron-1842-after-del-conteFree Image from public domain licenseAn écorché figure seen from behind, with an additional seated figure in the bottom left-hand corner. Line engraving by J.… https://www.rawpixel.com/image/14017411/image-cartoon-face-handFree Image from public domain licensePortrait of Jacob Cats (1618) by Adriaen Pietersz van de Venne https://www.rawpixel.com/image/13787888/portrait-jacob-cats-1618-adriaen-pietersz-van-venneFree Image from public domain licenseAnatomical tables with explanations, and an abridgement of the practice of midwifery : with a view to illustrate a treatise… https://www.rawpixel.com/image/14001024/image-paper-cartoon-faceFree Image from public domain licenseGiacomo Poro, a man with a deformed figure protruding from his chest. Line engraving. https://www.rawpixel.com/image/14008833/image-cartoon-face-personFree Image from public domain licenseTraining. Work Projects Administration (WPA) vocational school. This young lady is training to work on the assembly line of… https://www.rawpixel.com/image/12308112/image-plants-person-artFree Image from public domain licenseA young woman in a frilly negligee stands on a couch with her arms around the neck of a man standing on the floor, his… https://www.rawpixel.com/image/13996677/image-paper-cartoon-personFree Image from public domain licenseFrançois-Alexandre-Henri Conneau. Line engraving by J. Roze after J.-B.F. de Fournier. https://www.rawpixel.com/image/13999845/image-face-frame-personFree Image from public domain licenseFrancis Glisson. Line engraving by W. Dolle, 1672, after W. Faithorne. https://www.rawpixel.com/image/13998768/francis-glisson-line-engraving-dolle-1672-after-faithorneFree Image from public domain licenseAdolphus Vorstius. Line engraving by P. Pontius after G. Petri. https://www.rawpixel.com/image/13981829/adolphus-vorstius-line-engraving-pontius-after-petriFree Image from public domain license