Automobile Vehicle Car Mechanic Maintenance Concept https://www.rawpixel.com/image/293837/image-rawpixelcomView licenseEngine Engineer Engineering Machine Occupation Concept https://www.rawpixel.com/image/1089795/image-rawpixelcomView licensePittsburgh, Pennsylvania. Woman employed in the machine shop at the Greyhound garage. Sourced from the Library of Congress. https://www.rawpixel.com/image/12295311/photo-image-face-hand-personFree Image from public domain licenseFreight operations on the Indiana Harbor Belt railroad between Chicago, Illinois and Hammond, Indiana. Part of the train… https://www.rawpixel.com/image/12291080/photo-image-hand-person-skyFree Image from public domain licenseEngine Engineer Engineering Machine Occupation Concept https://www.rawpixel.com/image/922185/free-image-rawpixelcomView licenseCopy Duplicate Print Scan Transcript Counterfoil Concpet https://www.rawpixel.com/image/1036638/free-image-rawpixelcomView licenseAutomobile Vehicle Car Mechanic Maintenance Concept https://www.rawpixel.com/image/293765/image-rawpixelcomView licenseLoading trucks with sacks of salt. Minneapolis, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284032/photo-image-person-public-domain-womanFree Image from public domain licenseAutomobile Vehicle Car Mechanic Maintenance Concept https://www.rawpixel.com/image/293725/image-rawpixelcomView licenseAutomobile Vehicle Car Mechanic Maintenance Concept https://www.rawpixel.com/image/293705/image-rawpixelcomView licenseIndustrial Company Manufacture Mchinery Icon https://www.rawpixel.com/image/286878/image-rawpixelcomView licenseAutomobile Vehicle Car Mechanic Maintenance Concept https://www.rawpixel.com/image/293677/image-rawpixelcomView licenseCopy Duplicate Print Scan Transcript Counterfoil Concpet https://www.rawpixel.com/image/1032868/free-image-rawpixelcomView licenseCopy Duplicate Print Scan Transcript Counterfoil Concpet https://www.rawpixel.com/image/1011869/free-image-rawpixelcomView licenseArtisan working with wood https://www.rawpixel.com/image/16428/premium-photo-image-accuracy-bearded-cabinet-makerView license[Untitled photo, possibly related to: Woman fetching water. She lives with her family in lower part of the tobacco barn.… https://www.rawpixel.com/image/12278828/photo-image-plant-person-treeFree Image from public domain licenseU.S. Naval Academy, Annapolis, Maryland. Studying an auxiliary ship's engine. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289393/photo-image-person-technology-public-domainFree Image from public domain licenseMan Using Tablet Searching Sawblade Attention Banner https://www.rawpixel.com/image/293461/image-rawpixelcomView licenseIndustrial Manufacturing Mass Production Concept https://www.rawpixel.com/image/286634/image-rawpixelcomView licenseHolabird ordnance depot, Baltimore, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12294052/photo-image-face-hand-personFree Image from public domain license[Untitled photo, possibly related to: U.S. Naval Academy, Annapolis, Maryland. Instruction in steam propulsion mechanics].… https://www.rawpixel.com/image/12289252/photo-image-steam-hand-peopleFree Image from public domain licenseCopy Duplicate Print Scan Transcript Counterfoil Concpet https://www.rawpixel.com/image/1032915/free-image-rawpixelcomView license[Untitled photo, possibly related to: A mother sewing a button on her child's overalls. Silver Spring, Maryland]. Sourced… https://www.rawpixel.com/image/12294208/photo-image-face-plant-handFree Image from public domain licenseAnacostia, D.C. Frederick Douglass housing project. Playing in the community sprayer. Sourced from the Library of Congress. https://www.rawpixel.com/image/12269117/photo-image-face-person-public-domainFree Image from public domain licenseMontgomery County, Maryland. Tire of farmer's car. Sourced from the Library of Congress. https://www.rawpixel.com/image/12292045/photo-image-plant-grass-public-domainFree Image from public domain licenseCopy Duplicate Print Scan Transcript Counterfoil Concpet https://www.rawpixel.com/image/1017333/free-image-rawpixelcomView licenseWashington, D.C. A close-up view of a worn-out tire on an autocar van. Sourced from the Library of Congress. https://www.rawpixel.com/image/12298128/photo-image-shadow-road-public-domainFree Image from public domain license[Untitled photo, possibly related to: Dwellers in Circleville's "Hooverville," central Ohio (see general caption)]. Sourced… https://www.rawpixel.com/image/12255363/photo-image-face-hand-personFree Image from public domain licenseSoldiers and sailors watching bathing crowds at Yorktown, Virginia. Sourced from the Library of Congress. https://www.rawpixel.com/image/12262474/photo-image-plant-person-grassFree Image from public domain licenseBoys playing that they are shooting machine guns at a passing aeroplane, Black Belt, Chicago, Illinois. Sourced from the… https://www.rawpixel.com/image/12255669/photo-image-face-hand-peopleFree Image from public domain licenseEngine Engineer Engineering Machine Occupation Concept https://www.rawpixel.com/image/785392/free-image-rawpixelView licenseHolabird ordnance depot, Baltimore, Maryland. A careful check is made of air pressure, tire conditions and condition of… https://www.rawpixel.com/image/12294260/photo-image-person-technology-public-domainFree Image from public domain licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237262/premium-photo-image-background-cog-cogwheelView licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237230/premium-photo-image-background-cog-cogwheelView licenseThe rear part of a double-row potato digger used on a farm near Caribou, Maine. Sourced from the Library of Congress. https://www.rawpixel.com/image/12276260/photo-image-person-public-domain-natureFree Image from public domain licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237210/premium-photo-image-background-cog-cogwheelView licenseBusiness People Holding Machine Parts https://www.rawpixel.com/image/647307/free-image-rawpixelView licenseGrading seed which farmer has brought to office of Border King co-op seed exchange at Williams, Minnesota. This test is to… https://www.rawpixel.com/image/12283754/photo-image-border-hand-personFree Image from public domain licenseHolabird ordnance depot, Baltimore, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12294248/photo-image-hand-person-technologyFree Image from public domain licenseCopy Duplicate Print Scan Transcript Counterfoil Concpet https://www.rawpixel.com/image/1032469/free-image-rawpixelcomView licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237170/premium-photo-image-background-cog-cogwheelView licenseWashington, D.C. Truck drivers for the Alaska Coal Company. Sourced from the Library of Congress. https://www.rawpixel.com/image/12292005/photo-image-face-hand-peopleFree Image from public domain license[Untitled photo, possibly related to: At the Mary-Leila cotton mill in Greensboro, Georgia]. Sourced from the Library of… https://www.rawpixel.com/image/12262770/photo-image-person-technology-public-domainFree Image from public domain licenseAuxiliary gas tank on truck at truckers' service station on New York Avenue along U.S. No. 1. Washington, D.C.. Sourced from… https://www.rawpixel.com/image/12276138/photo-image-public-domain-car-metalFree Image from public domain licenseNew York, New York. Garment worker in the N.M. dress shop, which is now making blouses for the Women's Army Auxiliary Corps… https://www.rawpixel.com/image/12292162/photo-image-face-hand-personFree Image from public domain license[Untitled photo, possibly related to: Farmer cutting a field of buckwheat along Route 79, near Ithaca, New York]. Sourced… https://www.rawpixel.com/image/12277170/photo-image-plant-person-grassFree Image from public domain licenseMen sitting on parts of truck in junkyard, South Side of Chicago, Illinois by Russell Lee https://www.rawpixel.com/image/12173600/image-person-art-vintageFree Image from public domain licenseHarvest hand and helper on the Virgil Thaxton farm near Mechanicsburg, Ohio. Sourced from the Library of Congress. https://www.rawpixel.com/image/12256983/photo-image-face-hand-personFree Image from public domain license[Untitled photo, possibly related to: Topeka, Kansas. Lifting an engine with the eighty-ton cranes at the Atchison, Topeka… https://www.rawpixel.com/image/12290301/photo-image-person-airplane-public-domainFree Image from public domain licenseCopy Duplicate Print Scan Transcript Counterfoil Concpet https://www.rawpixel.com/image/1036766/free-image-rawpixelcomView licenseCopy Duplicate Print Scan Transcript Counterfoil Concpet https://www.rawpixel.com/image/1032893/free-image-rawpixelcomView licenseEngine Engineer Engineering Machine Occupation Concept https://www.rawpixel.com/image/729415/free-image-rawpixelView licenseEngine Engineer Engineering Machine Occupation Concept https://www.rawpixel.com/image/764235/free-image-rawpixelView licenseNew type of plating machine being used at the Hamilton Standard Propeller Corporation. It automatically dips the part into… https://www.rawpixel.com/image/12277615/photo-image-person-technology-public-domainFree Image from public domain licenseCarver Cotton Gin Company, East Bridgewater, Massachusetts. Sourced from the Library of Congress. https://www.rawpixel.com/image/12297813/photo-image-hand-person-artFree Image from public domain licenseWisdom, Montana. Len Smith in the stockroom of the Basin Mercantile Company. They have an extremely large stock of tractor… https://www.rawpixel.com/image/12285726/photo-image-person-public-domain-hospitalFree Image from public domain license