Albuquerque, New Mexico. An engine being carried to another part of the Atchison, Topeka and Santa Fe Railroad shops to be… https://www.rawpixel.com/image/12292516/photo-image-plant-person-public-domainFree Image from public domain license
Old barn used for tractor shed, central Ohio (see general caption). Sourced from the Library of Congress. https://www.rawpixel.com/image/12256373/photo-image-person-wood-public-domainFree Image from public domain license
In the Vought-Sikorsky Aircraft Corporation, Stratford, Connecticut. Sourced from the Library of Congress. https://www.rawpixel.com/image/12240879/photo-image-person-airplane-technologyFree Image from public domain license
[Untitled photo, possibly related to: Guanica, Puerto Rico (vicinity). A "gyrotiller" plowing a sugar cane field]. Sourced… https://www.rawpixel.com/image/12280935/photo-image-person-sky-public-domainFree Image from public domain license
Getting machinery ready for the grinding season, Bethlehem Sugar Mill, St. Croix Island, Virgin Islands. Sourced from the… https://www.rawpixel.com/image/12263149/photo-image-person-public-domain-manFree Image from public domain license
American and British engineers taking time out for a smoke. They are standing on an American engine somewhere in Iran.… https://www.rawpixel.com/image/12307449/image-person-smoke-technologyFree Image from public domain license
Maintenance members assigned to the 157th Expeditionary Fighter Squadron perform an afterburner run on an F-16 Fighting… https://www.rawpixel.com/image/4043993/photo-image-person-city-buildingFree Image from public domain license
U.S. Naval Academy, Annapolis, Maryland. Studying a diesel motor. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289402/photo-image-people-public-domain-factoryFree Image from public domain license
[Untitled photo, possibly related to: Albuquerque, New Mexico. An engine being carried to another part of the Atchison… https://www.rawpixel.com/image/12292558/photo-image-plant-person-technologyFree Image from public domain license
One of the machines that grinds wood into pulp at the Mississquoi Corporation paper mill at Sheldon Springs, Vermont.… https://www.rawpixel.com/image/12304425/image-paper-person-woodFree Image from public domain license
United States Military Railroad Engine, "W.H. Whiton." by Mathew Brady. Original public domain image from Flickr https://www.rawpixel.com/image/8799457/photo-image-vintage-public-domain-personFree Image from public domain license
Working on an engine of one of the airliners. Municipal airport, Washington, D.C.. Sourced from the Library of Congress. https://www.rawpixel.com/image/12279455/photo-image-person-sky-airplaneFree Image from public domain license
worker at a small sawmill works in southern Greene County, Georgia. Sourced from the Library of Congress. https://www.rawpixel.com/image/12320719/image-person-smoke-treeFree Image from public domain license
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Carloads of iron ore at Mahoning pit. Hibbing, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285057/photo-image-sky-smoke-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Needles, California. Filling the sand dome of a locomotive near the roundhouse in the… https://www.rawpixel.com/image/12294139/photo-image-person-sky-sandFree Image from public domain license
A new wind tunnel under construction at the Pratt and Whitney Aircraft Corporation as part of the expansion program. East… https://www.rawpixel.com/image/12277625/photo-image-person-airplane-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Member of road construction gang greasing "cats" at night. Grant County, Wisconsin].… https://www.rawpixel.com/image/12285368/photo-image-cats-person-roadFree Image from public domain license
Chillicothe (vicinity), Illinois. Leaving the helper engine behind, eight miles west of Chillicothe on the Atchison, Topeka… https://www.rawpixel.com/image/12290090/photo-image-light-public-domain-blackFree Image from public domain license
At the "World's Fair" in Tunbridge, Vermont. Sourced from the Library of Congress. https://www.rawpixel.com/image/12304917/image-technology-public-domain-basketballFree Image from public domain license
Chicago, Illinois. Working on a giant locomotive, one of the "400s," in the Chicago and Northwestern Railroad shops. Sourced… https://www.rawpixel.com/image/12290234/photo-image-person-public-domain-factoryFree Image from public domain license
Chicago, Illinois. Working on a locomotive at the Chicago and Northwestern Railroad. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288816/photo-image-person-public-domain-factoryFree Image from public domain license
[Untitled photo, possibly related to: Chicago, Illinois. In the Chicago and Northwestern Railroad locomotive repair shops].… https://www.rawpixel.com/image/12288550/photo-image-person-art-public-domainFree Image from public domain license
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Kiowa, Kansas. Freight train pulling out on the Atchison, Topeka and Santa Fe Railroad between Wellington, Kansas and… https://www.rawpixel.com/image/12291493/photo-image-person-sky-public-domainFree Image from public domain license
U.S. Naval Academy, Annapolis, Maryland. Instruction in steam propulsion mechanics. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289670/photo-image-steam-person-public-domainFree Image from public domain license
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[Untitled photo, possibly related to: La Goulette, Tunisia. Wrecked turbine which formerly provided electric power for the… https://www.rawpixel.com/image/12295222/photo-image-technology-public-domain-metalFree Image from public domain license
Pouring a gold brick. El Dorado Canyon, Clark County, Nevada. Sourced from the Library of Congress. https://www.rawpixel.com/image/12275271/photo-image-person-gold-public-domainFree Image from public domain license
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[Untitled photo, possibly related to: Commissioner Allen operating tractor, Berwyn, Maryland]. Sourced from the Library of… https://www.rawpixel.com/image/12313184/image-plant-person-treeFree Image from public domain license
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[Untitled photo, possibly related to: Spring thaw on Clinton Gilbert farm, near Woodstock, Vermont]. Sourced from the… https://www.rawpixel.com/image/12321020/image-person-public-domain-houseFree Image from public domain license
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