[Untitled photo, possibly related to: Detroit, Michigan. Class for telephone operators at the Crowley-Milner department… https://www.rawpixel.com/image/12290576/photo-image-person-laptop-public-domainFree Image from public domain licenseWashington, D.C. In the telephone room at the United Nations service center. Sourced from the Library of Congress. https://www.rawpixel.com/image/12295308/photo-image-face-person-headphonesFree Image from public domain licenseTelephone wires stretched up a mountainside on road. Camp Bird Mine, Ouray County, Colorado by Russell Lee https://www.rawpixel.com/image/12149016/image-plant-art-vintageFree Image from public domain licenseUsing a telephone which is part of the underground communications system which connects the field with the administration… https://www.rawpixel.com/image/12263500/photo-image-person-sky-beachFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A view of the plant of Basic Magnesium Incorporated, showing… https://www.rawpixel.com/image/12297374/photo-image-plant-person-skyFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A view of the plant of Basic Magnesium Incorporated, showing… https://www.rawpixel.com/image/12297863/photo-image-plant-person-skyFree Image from public domain license[Untitled photo, possibly related to: Athens, Ohio. H.D. Palmer, executive director of the civilian defense council… https://www.rawpixel.com/image/12284985/photo-image-person-public-domain-manFree Image from public domain licenseLas Vegas, Nevada. A view of construction of telephone lines, roads and buildings of the Basic Magnesium Incorperated plant… https://www.rawpixel.com/image/12298137/photo-image-plant-person-skyFree Image from public domain licenseParris Island, South Carolina. U.S. Marine Corps glider detachment training camp. Trainee receiving a telephone message.… https://www.rawpixel.com/image/12287265/photo-image-face-hand-personFree Image from public domain license[Untitled photo, possibly related to: Greenville, South Carolina. Air Service Command. Men of the 1067th signal company of… https://www.rawpixel.com/image/12294907/photo-image-plant-person-skyFree Image from public domain licenseNew York, New York. Recording room of the New York Times newspaper. Overseas shortwave radio telephone operator receiving… https://www.rawpixel.com/image/12288860/photo-image-face-people-shirtFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A view of the plant of Basic Magnesium Incorporated, showing… https://www.rawpixel.com/image/12298142/photo-image-plant-sky-roadFree Image from public domain licenseTruck trail and fire break on Withlacoochee Land Use Project, Florida. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270036/photo-image-cloud-plant-fireFree Image from public domain licenseTelephone operators at Aberdeen proving grounds. Aberdeen, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285135/photo-image-hand-person-technologyFree Image from public domain licenseGarfield County, Montana. Charles McKenzie, sheep rancher. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285965/photo-image-face-hand-personFree Image from public domain licenseDetroit, Michigan. Class for telephone operators at the Crowley-Milner department store. Sourced from the Library of… https://www.rawpixel.com/image/12290790/photo-image-person-public-domain-womanFree Image from public domain license[Untitled photo, possibly related to: Greenville, South Carolina. Air Service Command. Men of the 1067th signal company of… https://www.rawpixel.com/image/12296064/photo-image-cloud-plant-personFree Image from public domain licenseBell on cattle Ranch near Spur, Texas. This is used to awake the cowboys in the morning, call them to the ranch house… https://www.rawpixel.com/image/12170366/image-art-sky-vintageFree Image from public domain licenseWashington, D.C. A pawnshop window. Sourced from the Library of Congress. https://www.rawpixel.com/image/12295079/photo-image-person-technology-public-domainFree Image from public domain licenseMiner using telephone at 500-foot level at gold mine. Mogollon, New Mexico by Russell Lee https://www.rawpixel.com/image/12173062/image-person-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Greenville, South Carolina. Air Service Command. Enlisted men of the signal company of… https://www.rawpixel.com/image/12294863/photo-image-face-plant-personFree Image from public domain licenseGreenville, South Carolina. Air Service Command. Enlisted men of the signal company of the 25th service group operating a… https://www.rawpixel.com/image/12294861/photo-image-face-plant-personFree Image from public domain 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 license