Cotton pickers who receive fifty cents a hundred pounds. Kaufman County, Texas. Sourced from the Library of Congress. https://www.rawpixel.com/image/12268544/photo-image-plant-person-skyFree Image from public domain licenseGetting machinery ready for the grinding season, Bethlehem Sugar Mill, St. Croix Island, Virgin Islands. Sourced from the… https://www.rawpixel.com/image/12263170/photo-image-person-technology-public-domainFree Image from public domain licenseExperiment Explore Try Attempt Concept https://www.rawpixel.com/image/785764/free-image-rawpixelView licenseExperiment Explore Try Attempt Concept https://www.rawpixel.com/image/733010/free-image-rawpixelView licenseEngine Engineer Engineering Machine Occupation Concept https://www.rawpixel.com/image/729415/free-image-rawpixelView licenseAutomobile Vehicle Car Mechanic Maintenance Concept https://www.rawpixel.com/image/762304/free-image-rawpixelView licenseExperiment Explore Try Attempt Concept https://www.rawpixel.com/image/614769/free-image-rawpixelView licenseSpinach cutters making a "beeline" for the basket truck to secure supplies for their work, La Pryor, Texas by Russell Lee https://www.rawpixel.com/image/12166430/image-person-art-skyFree Image from public domain licenseInventing Compose Discover Production Concept https://www.rawpixel.com/image/718640/free-image-rawpixelView license[Untitled photo, possibly related to: Tractors used in cultivation, Wabash Farms, Indiana]. Sourced from the Library of… https://www.rawpixel.com/image/12253350/photo-image-plant-person-skyFree Image from public domain licenseEngine Engineer Engineering Machine Occupation Concept https://www.rawpixel.com/image/764235/free-image-rawpixelView license[Untitled photo, possibly related to: Operating a jayhawk hayloader. Kimberley farm, Jasper County, Iowa]. Sourced from the… https://www.rawpixel.com/image/12273415/photo-image-plant-person-grassFree Image from public domain licenseMotorcycle Service Engine Fix Concept https://www.rawpixel.com/image/343300/image-rawpixelcomView licenseAutomobile Vehicle Car Mechanic Maintenance Concept https://www.rawpixel.com/image/1121192/image-rawpixelcomView license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Draglines are working day and night excavating… https://www.rawpixel.com/image/12297774/photo-image-cloud-person-skyFree Image from public domain license[Untitled photo, possibly related to: Fred Wilfang, rehabilitation client, uses modern tractor bought with FSA (Farm… https://www.rawpixel.com/image/12276771/photo-image-plant-person-skyFree Image from public domain licenseGears and all machinery in a cotton seed oil mill are covered with a fine dust. Cotton seed oil mill. McLennan County, Texas… https://www.rawpixel.com/image/12147301/image-person-art-vintageFree Image from public domain licenseAt a rolling machine in the Washington Tinplate Company. Washington, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12278014/photo-image-person-technology-public-domainFree Image from public domain licensePrinting Process Offset Ink Color Industry Media Concept https://www.rawpixel.com/image/1172361/image-rawpixelcomView licenseExperiment Explore Try Attempt Concept https://www.rawpixel.com/image/733050/free-image-rawpixelView licenseAutomobile Vehicle Car Mechanic Maintenance Concept https://www.rawpixel.com/image/1121266/image-rawpixelcomView licenseAutomobile Vehicle Car Mechanic Maintenance Concept https://www.rawpixel.com/image/762284/free-image-rawpixelView licenseMachinery and other property of Buckboard Charlie. Iron River, Michigan by Russell Lee https://www.rawpixel.com/image/12148550/image-person-art-vintageFree Image from public domain licenseUnder Construction Building Architecture Concept https://www.rawpixel.com/image/702613/free-image-rawpixelView licenseInventory Stock Manufacturing Assets Goods Concept https://www.rawpixel.com/image/733237/free-image-rawpixelView licensePrinting Process Offset Ink Color Industry Media Concept https://www.rawpixel.com/image/688958/free-image-rawpixelView licenseBack of telephone lineman'ss repair truck at the Casa Grande Valley Farms, Pinal County, Arizona by Russell Lee https://www.rawpixel.com/image/12169466/image-art-vintage-public-domainFree Image from public domain licenseInnovation Ideas Imagine Processing System Concept https://www.rawpixel.com/image/1165302/image-rawpixelcomView license