"Duster" plane spraying insecticide over a field of beans. The mechanic in the foreground indicates the outside limit of the… https://www.rawpixel.com/image/12108638/image-cloud-plant-personFree Image from public domain licenseFarmer with corn picker, mechanical cornhusking contest, Hardin County, Iowa. Sourced from the Library of Congress. https://www.rawpixel.com/image/12317272/image-face-plant-personFree Image from public domain license[Untitled photo, possibly related to: "Duster" (plane spraying insecticide) over a field of beans. The mechanic in the… https://www.rawpixel.com/image/12108941/image-cloud-plant-artFree Image from public domain license[Untitled photo, possibly related to: Dusting plane hedge-hopping after spraying swath on beanfield. These planes can spray… https://www.rawpixel.com/image/12318158/image-cloud-plant-personFree Image from public domain licenseMechanical sugarcane harvester developed by Allen Ramsey Wurtele, Mix, Louisiana. Mr. Wurtel spent several years with this… https://www.rawpixel.com/image/12166985/image-plant-person-grassFree Image from public domain license[Untitled photo, possibly related to: Farmer and son at refreshment stand, mechanical corn picker contest, Hardin County… https://www.rawpixel.com/image/12317275/image-plant-person-skyFree Image from public domain licenseDay laborer repairing link of chain which operates planter feed, farm near Ralls, Texas by Russell Lee https://www.rawpixel.com/image/12108748/image-hand-person-artFree Image from public domain license[Untitled photo, possibly related to: Bohemian miners (coal loaders) unemployed since mechanization of mines. Jere, West… https://www.rawpixel.com/image/12319402/image-dog-plant-personFree Image from public domain license