Lighting through the ages. Antiquity: 1. Prehistory. - 2-3. Egyptian - 4-5. Assyrian. 6-13. Roman. - 14-15. Carthaginian. -… https://www.rawpixel.com/image/7666537/image-light-art-vintageFree Image from public domain licenseManpower, junior size. Proud young fighters in Uncle Sam's junior army visit a scrap yard in Roanoke, Virginia to see for… https://www.rawpixel.com/image/12239996/photo-image-people-factory-childrenFree Image from public domain licenseAcetylene light in Cajun farm home near Crowley, Louisiana. Ignition of acetylene gas is accomplished by flints which are… https://www.rawpixel.com/image/12107954/image-art-vintage-lightFree Image from public domain license[Untitled photo, possibly related to: Acetylene welding, a necessary part of oil field activities, Seminole, Oklahoma] by… https://www.rawpixel.com/image/12109514/image-person-art-vintageFree Image from public domain licenseDenver, Colorado. Twenty-four hours a day the sparks from acetylene torches of steel workers in eight Denver fabricating… https://www.rawpixel.com/image/12241203/photo-image-plants-person-artFree Image from public domain licenseTraining. Work Projects Administration (WPA) vocational school. The ability to "saw" metal with flame is a skill which has… https://www.rawpixel.com/image/12306985/image-person-art-manFree Image from public domain licenseAcetylene welding, a necessary part of oil field activities, Seminole, Oklahoma by Russell Lee https://www.rawpixel.com/image/12170233/image-person-art-vintageFree Image from public domain licenseAutomobile salvage. Automobile bodies are usually cut into four pieces so they can be readily loaded into a press for… https://www.rawpixel.com/image/12306987/image-frame-plant-personFree Image from public domain licenseWashington, D.C. Scrap salvage campaign, Victory Program. Using acetylene torch to break up metal scrap before shipment from… https://www.rawpixel.com/image/12289452/photo-image-people-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Washington, D.C. Scrap salvage campaign, Victory Program. Using acetylene torch to… https://www.rawpixel.com/image/12288157/photo-image-people-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Washington, D.C. Scrap salvage campaign, Victory Program. Using acetylene torch to… https://www.rawpixel.com/image/12289474/photo-image-person-wood-public-domainFree Image from public domain license