Mr. ZIP standing cut-out (1970) post-man cartoon. Original public domain image from The Smithsonian Institution. Digitally… https://www.rawpixel.com/image/10103604/photo-image-paper-frame-personFree Image from public domain licenseThe State as Arbitrator for Industry, Education and the Military (study for lunette, Old Senate Office Building), Louis… https://www.rawpixel.com/image/8845214/image-vintage-public-domain-illustrationFree Image from public domain license Strong in the strength of the Lord. We who fight in the people's cause will never stop until that cause is won … https://www.rawpixel.com/image/8905378/image-art-vintage-handFree Image from public domain licenseLabeled illustration of the front of a Corona No. 3 portable typewriter (1920) vintage icon. Original public domain image… https://www.rawpixel.com/image/10541475/image-paper-plant-artFree Image from public domain licenseLabeled illustration of the front of a Corona No. 3 portable typewriter (1920) vintage icon. Original public domain image… https://www.rawpixel.com/image/10745326/image-paper-plant-artFree Image from public domain licenseSpecial Rescue Operations firefighters with NASA Fire Rescue Services at NASA’s Kennedy Space Center near Cape… https://www.rawpixel.com/image/440434/free-photo-image-firefighter-car-peopleFree Image from public domain licenseSpecial Rescue Operations firefighters with NASA Fire Rescue Services at NASA’s Kennedy Space Center near Cape… https://www.rawpixel.com/image/440459/free-photo-image-nasa-fire-firefighterFree Image from public domain licenseParris Island. Marine Corps barrage balloons. When a husky leatherneck throws his weight on a line, things come his way. A… https://www.rawpixel.com/image/12242040/photo-image-face-hand-personFree Image from public domain licenseHalftrac scout cars. Perfectly balanced sets of connecting rods mean better engine performance for the Army's new halftrac… https://www.rawpixel.com/image/12240532/photo-image-plant-person-technologyFree Image from public domain licenseFree laptop on desk image, public domain technology CC0 photo. https://www.rawpixel.com/image/5914170/photo-image-background-public-domain-technologyFree Image from public domain licenseSalvage. Requisitioning auto graveyards. Tons of scrap at the auto graveyard of the Lenox Motor Company, Colmar Manor… https://www.rawpixel.com/image/12302487/image-plant-grass-houseFree Image from public domain licenseSalvage. Requisitioning auto graveyards. Tons of scrap at the auto graveyard of the Lenox Motor Company, Colmar Manor… https://www.rawpixel.com/image/12301622/image-plant-grass-carFree Image from public domain licenseSubstitute materials. Timber connectors. Timber in process of preparation for timber connectors. The rings provide a larger… https://www.rawpixel.com/image/12303594/image-hand-person-artFree Image from public domain licenseConversion. Beverage containers to aviation oxygen cylinders. With the outside and inside of non-shatterable oxygen cylinder… https://www.rawpixel.com/image/12306872/image-hand-person-artFree Image from public domain licenseHalftrac scout cars. When the American assembly line gets down to business, things gets done and done well. The assembling… https://www.rawpixel.com/image/12306543/image-plant-person-technologyFree Image from public domain licenseConversion. Auto body plant. This worker is dipping wing section of an airplane in bath, a necessary process prior to… https://www.rawpixel.com/image/12307052/image-plant-hand-personFree Image from public domain licenseConversion. Automobiles to 40 mm. anti-aircraft guns. To ensure maximum efficiency, every 40 mm. anti-aircraft gun barrel… https://www.rawpixel.com/image/12306811/image-plant-hand-personFree Image from public domain licenseHalftrac scout cars. Under the skilled hands of trained workers, the engine for an Army halftrac scout car begins to take… https://www.rawpixel.com/image/12306739/image-hands-person-technologyFree Image from public domain licenseHalftrac production. The track of an Army halftrac is positioned in the curing mold at a Midwest rubber plant. The operation… https://www.rawpixel.com/image/12307538/image-face-plant-handFree Image from public domain license[Untitled photo, possibly related to: A row of miners' safety lamps and batteries in caretaker's office. Gold mine at… https://www.rawpixel.com/image/12171054/image-art-vintage-goldFree Image from public domain license[Untitled photo, possibly related to: Parris Island. Marine Corps gliders. Leave it to the Marines to make the best use of… https://www.rawpixel.com/image/12289167/photo-image-cloud-sky-airplaneFree Image from public domain license