A woman changing her child's nappy, her husband is watching them in an amused manner. Mezzotint. https://www.rawpixel.com/image/14015442/image-person-art-clothingFree Image from public domain licenseAn alchemist in his laboratory. Oil painting by a follower of David Teniers the younger. https://www.rawpixel.com/image/14020417/image-person-book-artFree Image from public domain license[Untitled photo, possibly related to: Secretary Wallace addressing a group of Vermont and New Hampshire farmers at Hanover… https://www.rawpixel.com/image/12316183/image-face-person-public-domainFree Image from public domain licenseA dentist asking a nervous patient would she like gas, she retorts no she doesn't want him poking around in the dark.… https://www.rawpixel.com/image/13997663/image-cartoon-face-personFree Image from public domain licenseA dingy tavern with backgammon players and an amorous couple observing a pregnant woman as she drinks. Mezzotint by J.… https://www.rawpixel.com/image/14013221/image-cartoon-person-artFree Image from public domain licensePassenger taking pictures with a dollar camera from the window of an American airliner. Sourced from the Library of Congress. https://www.rawpixel.com/image/12336346/image-face-person-technologyFree Image from public domain licenseA woman doctor examining a girl's finger. Etching after J. Northcote. https://www.rawpixel.com/image/14003842/woman-doctor-examining-girls-finger-etching-after-northcoteFree Image from public domain licenseA philosopher giving a lecture on the orrery. Mezzotint by W. Pether, 1768, after Joseph Wright of Derby. https://www.rawpixel.com/image/14005096/image-face-person-artFree Image from public domain licenseThree men drinking in the light of a flame held by a boy. Aquatint by A. Bissell, c. 1800, after J. Trautmann. https://www.rawpixel.com/image/13988929/image-cartoon-face-personFree Image from public domain licenseA man attended by a surgeon (suicide of Seneca). Oil painting. https://www.rawpixel.com/image/14010261/man-attended-surgeon-suicide-seneca-oil-paintingFree Image from public domain licenseChinese technical experts in Washington in connection with the UNRRA (United Nations Relief and Rehabilitation… https://www.rawpixel.com/image/12339589/image-paper-person-public-domainFree Image from public domain licenseA scholar-alchemist pores over a book, searching for inspiration. Etching by F. Basan after D. Teniers the younger. https://www.rawpixel.com/image/14012178/image-face-person-booksFree Image from public domain license"Anxious moments": a sick child, its grieving parents, a nursemaid and a medical practitioner. Oil painting attributed to… https://www.rawpixel.com/image/14012013/image-cartoon-person-artFree Image from public domain licenseWomen clothing portrait fashion sleeve. AI generated Image by rawpixel. https://www.rawpixel.com/image/12416006/photo-image-face-aesthetic-personView licenseHandsome asian guy on the escalator https://www.rawpixel.com/image/39315/premium-photo-image-alone-asian-boyView licenseThree men sit smoking at a barrel-table in a dingy smoke-filled den, others play cards. Engraving by R. Cooper, c. 1813… https://www.rawpixel.com/image/13984944/image-person-art-smokeFree Image from public domain licensephoto of smart farming, day light https://www.rawpixel.com/image/12009607/photo-smart-farming-day-lightView license[Untitled photo, possibly related to: U.M.W.A. (United Mine Workers of America) official, Herrin, Illinois. General caption:… https://www.rawpixel.com/image/12315260/image-face-hand-personFree Image from public domain license[Untitled photo, possibly related to: De Land, Florida. De Land pool of small machine shops forming a sub-contracting group… https://www.rawpixel.com/image/12339118/image-face-hand-personFree Image from public domain licenseSteel worker at rolling mill. Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12326078/image-person-public-domain-manFree Image from public domain licenseHappy aviator with headphones listening to the air traffic https://www.rawpixel.com/image/1202186/professional-female-aviatorView licenseFilomena Varazzo, a woman whose eczema could not be cured by medicine, is cured by looking at a picture of the blessed… https://www.rawpixel.com/image/13996220/image-cartoon-person-medicineFree Image from public domain licenseAn old woman wearing spectacles, reading the paper. Mezzotint. https://www.rawpixel.com/image/13990608/old-woman-wearing-spectacles-reading-the-paper-mezzotintFree Image from public domain license[Untitled photo, possibly related to: Mechanical cutting machine that increases coal production. Old Ben number eight mine.… https://www.rawpixel.com/image/12324193/image-person-public-domain-manFree Image from public domain licenseSalvage. Scrap for steel mills. Charging boxes loaded with scrap metal are dumped into electric furnaces where the scrap is… https://www.rawpixel.com/image/12306719/image-eyes-factory-architectureFree Image from public domain licenseMan wearing smart glasses touching a virtual screen futuristic technology digital remix https://www.rawpixel.com/image/3116560/free-illustration-image-advanced-technologyView licenseWoman wearing smart glasses futuristic technology digital remix https://www.rawpixel.com/image/3116738/free-photo-image-advanced-technology-alternate-realityView licenseWoman wearing smart glasses futuristic technology digital remix https://www.rawpixel.com/image/3116562/free-illustration-image-advanced-technology-alternate-realityView licenseHands of Businessman Working with Calculator Concept https://www.rawpixel.com/image/145233/premium-photo-image-accountant-business-cafeView licenseNew York, New York. Photo engraving department of the New York Times newspaper. Examining the dots on the screen of a strip… https://www.rawpixel.com/image/12288861/photo-image-face-frame-handFree Image from public domain licenseHands of Businessman Working with Calculator Concept https://www.rawpixel.com/image/145193/premium-photo-image-accountant-business-cafeView licensePittsburgh, Pennsylvania. Cleaning the windshield of a bus at the Greyhound garage. Sourced from the Library of Congress. https://www.rawpixel.com/image/12296648/photo-image-face-hand-personFree Image from public domain licenseWoman Sitting Thoughtful in a Van Roadtrip https://www.rawpixel.com/image/109583/premium-photo-image-adult-adventure-attractiveView licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979588/free-image-rawpixelcomView licenseMan wearing smart glasses touching a virtual screen futuristic technology digital remix https://www.rawpixel.com/image/3116557/free-illustration-image-advanced-technologyView license[Untitled photo, possibly related to: Detroit, Michigan. A Venetian night party at the Detroit yacht club, whose members… https://www.rawpixel.com/image/12291623/photo-image-people-public-domain-womanFree Image from public domain licenseWoman wearing smart glasses futuristic technology digital remix https://www.rawpixel.com/image/3116737/free-photo-image-advanced-technologyView licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979621/free-image-rawpixelcomView licenseMail Message Envelop Communicate Envelop Business Concept https://www.rawpixel.com/image/49139/premium-photo-image-adult-ambitious-businessView licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979635/free-image-rawpixelcomView license[Untitled photo, possibly related to: Pittsburgh, Pennsylvania. People buying tickets at the Greyhound bus terminal].… https://www.rawpixel.com/image/12295114/photo-image-person-public-domain-blackFree Image from public domain licenseThe court, composed of two American majors and one British Royal Air Force squadron leader, which tried Sicilian civilians… https://www.rawpixel.com/image/12296537/photo-image-face-people-musicFree Image from public domain license[Untitled photo, possibly related to: Craft shop at Reedsville, West Virginia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12252146/photo-image-person-book-technologyFree Image from public domain licenseGreen Businessman Environmental Conservation Strategy Planning Concept https://www.rawpixel.com/image/48915/premium-photo-image-alone-aspiration-briefcaseView licenseCouple Adult Happiness Relaxing Holiday Concept https://www.rawpixel.com/image/83034/premium-photo-image-adult-asian-ethnicity-bondingView licenseBusinessman Environment Relaxation Solitary Concept https://www.rawpixel.com/image/48863/premium-photo-image-alone-black-and-white-businessView licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979627/free-image-rawpixelcomView licenseGirl wearing glasses thoughtful portrait https://www.rawpixel.com/image/112932/premium-photo-image-adult-casual-caucasianView license[Untitled photo, possibly related to: Tapping a furnace at the foundry of the Farrell-Binmingham Company, Ansonia… https://www.rawpixel.com/image/12262411/photo-image-face-person-lightFree Image from public domain licenseWashington, D.C. Members of the church orchestra listening to the sermon at the First Wesleyan Methodist Church. Sourced… https://www.rawpixel.com/image/12294506/photo-image-face-person-technologyFree Image from public domain licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979564/free-image-rawpixelcomView licenseWoman wearing smart glasses futuristic technology digital remix https://www.rawpixel.com/image/3116736/free-photo-image-advanced-technology-alternate-realityView license[Untitled photo, possibly related to: Worker in Washington Tinplate Company. Washington, Pennsylvania]. Sourced from the… https://www.rawpixel.com/image/12278965/photo-image-hand-person-public-domainFree Image from public domain licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979553/free-image-rawpixelcomView licenseBusiness People Dining Together Concept https://www.rawpixel.com/image/18445/premium-photo-image-adult-alcohol-asianView licenseGirl with Glasses Standing Reading Book https://www.rawpixel.com/image/3360/premium-photo-image-alley-alone-asianView license[Untitled photo, possibly related to: Migratory agricultural workers at the "pick table" of a grader in Camden, North… https://www.rawpixel.com/image/12264487/photo-image-face-person-lightFree Image from public domain licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979462/free-image-rawpixelcomView licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979547/free-image-rawpixelcomView licensePittsburgh, Pennsylvania. A mechanic working on a rear axle housing at the Greyhound garage. Sourced from the Library of… https://www.rawpixel.com/image/12296678/photo-image-person-art-public-domainFree Image from public domain licenseWoman wearing smart glasses futuristic technology digital remix https://www.rawpixel.com/image/3116559/free-illustration-image-advanced-technology-alternate-realityView license[Untitled photo, possibly related to: Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patrol no. 20.… https://www.rawpixel.com/image/12295895/photo-image-face-person-public-domainFree Image from public domain licenseBusiness Technology Connecting Digital Global Internet Concept https://www.rawpixel.com/image/75431/premium-photo-image-advanced-technology-aspirations-businessView licenseBusiness Person Standing Rooftop Concept https://www.rawpixel.com/image/23405/premium-photo-image-adult-back-beardView licenseBusiness Person Standing Rooftop Concept https://www.rawpixel.com/image/23401/premium-photo-image-adult-beard-breakView licenseBusiness Person Standing Rooftop Concept https://www.rawpixel.com/image/23345/premium-photo-image-adult-back-beardView licenseVIRTUAL REALITY word typography text on galaxy background https://www.rawpixel.com/image/2563978/free-illustration-image-alphabet-black-backgroundView licenseArtisan working with wood https://www.rawpixel.com/image/16454/premium-photo-image-accuracy-artisan-beardedView licenseBusiness Person Sitting Rooftop Concept https://www.rawpixel.com/image/23277/premium-photo-image-adult-back-beardView licenseBusiness Person Sitting Rooftop Concept https://www.rawpixel.com/image/23249/premium-photo-image-adult-back-beardView licenseGrow Development Growth Improvement Success https://www.rawpixel.com/image/824653/free-image-rawpixelView license[Untitled photo, possibly related to: Sunday afternoon, Vincennes, Indiana]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12260472/photo-image-face-hand-personFree Image from public domain licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979648/free-image-rawpixelcomView licenseCoffee Break Recreation Aroma Word https://www.rawpixel.com/image/979613/free-image-rawpixelcomView licenseChicago, Illinois. Cutting a metal part for a locomotive at the Chicago and Northwestern Railroad repair shops. Sourced from… https://www.rawpixel.com/image/12288712/photo-image-face-person-public-domainFree Image from public domain licensePittsburgh, Pennsylvania. People buying tickets at the Greyhound bus terminal. Sourced from the Library of Congress. https://www.rawpixel.com/image/12295351/photo-image-person-public-domain-blackFree Image from public domain licenseTechnology Innovation Simulation Gadget Concept https://www.rawpixel.com/image/1077991/free-image-rawpixelcomView licensePittsburgh, Pennsylvania. Woman employee of the mechanic shop in the Greyhound garage. Sourced from the Library of Congress. https://www.rawpixel.com/image/12295350/photo-image-face-person-artFree Image from public domain license