Demonstration of the Great Electric Induction Coil at the Polytechnic Institution in London in 1869 by Professor Pepper. https://www.rawpixel.com/image/13988343/image-person-art-clothingFree Image from public domain license
Science and research. Mineral prospecting. Electrical prospecting for metallic minerals may be carried on by using the dual… https://www.rawpixel.com/image/12307622/image-person-grass-skyFree Image from public domain license
Production. Pratt and Whitney airplane engines. Magneto driving gears for Pratt and Whitney airplane motors are tested for… https://www.rawpixel.com/image/12307917/image-plant-person-artFree Image from public domain license
Production. 45-caliberautomatic pistols. William Watson gauges and inspects barrel drilling holes on .45-caliber automatic… https://www.rawpixel.com/image/12307296/image-plant-hand-personFree Image from public domain license
Man working at machine for removing bran from kernel. Crowley, Louisiana by Russell Lee https://www.rawpixel.com/image/12173682/image-person-art-vintageFree Image from public domain license
Mangahao Hydro-Electric Scheme : 1923 (1923) by Leslie Adkin. https://www.rawpixel.com/image/13029076/mangahao-hydro-electric-scheme-1923-1923-leslie-adkinFree Image from public domain license
[Untitled photo, possibly related to: La Goulette, Tunisia. Wrecked turbine which formerly provided electric power for the… https://www.rawpixel.com/image/12337603/image-person-art-technologyFree Image from public domain license
Mangahao Hydro-Electric scheme : 1924 (1924) by Leslie Adkin. https://www.rawpixel.com/image/13029096/mangahao-hydro-electric-scheme-1924-1924-leslie-adkinFree Image from public domain license
Production. B-17F heavy bomber. At the big Boeing plant in Seattle a woman worker applies identifying numbers to electrical… https://www.rawpixel.com/image/12307389/image-face-plant-personFree Image from public domain license
Power for the Army! The engine for an halftrac scout car is raised by electric hoist to the assembly floor of Midwest truck… https://www.rawpixel.com/image/12306596/image-plant-person-artFree Image from public domain license
Member of the Casa Grande Valley Farms using an electric drill in making repairs for hay chopper. Pinal County, Arizona by… https://www.rawpixel.com/image/12149003/image-person-art-vintageFree Image from public domain license
Lighting hot water heater in house at the Kearney Mesa defense housing project. This young man came out to California from… https://www.rawpixel.com/image/12150475/image-person-art-vintageFree Image from public domain license
Cutting thread sectors on a howitzer with a shaper, in the Erie, Pennsylvania, General Electric plant. A dividing head… https://www.rawpixel.com/image/12237057/image-plant-person-technologyFree Image from public domain license
President Barack Obama looks inside a hydrogen cooled generator while touring the General Electric plant in Schenectady… https://www.rawpixel.com/image/4050603/photo-image-pattern-person-windowFree Image from public domain license
Electricity: electrical equipment, batteries, etc., and frogs' legs. Engraving, 18--, by Cooper. https://www.rawpixel.com/image/14005854/image-paper-cartoon-personFree Image from public domain license
Moulds used in pewter manufacture. Etching by Bénard after Lucotte. https://www.rawpixel.com/image/14002712/moulds-used-pewter-manufacture-etching-benard-after-lucotteFree Image from public domain license
The motors of many refrigerators require periodic cleaning. If your model is one of these, keep coils free from hampering… https://www.rawpixel.com/image/12307033/image-hand-person-technologyFree Image from public domain license
Naval air base, Corpus Christi, Texas. Learning to fight the Axis with an electric lathe. Mabel Carmen left her home in… https://www.rawpixel.com/image/12306444/image-face-person-technologyFree Image from public domain license
Demonstration of the Great Electric Induction Coil at the Polytechnic Institution in London in 1869 by Professor Pepper. https://www.rawpixel.com/image/13984705/image-paper-person-artFree Image from public domain license
Las Vegas, Nevada. Transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12339729/image-sky-technology-public-domainFree Image from public domain license
[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
[Untitled photo, possibly related to: La Goulette, Tunisia. Wrecked turbine which formerly provided electric power for the… https://www.rawpixel.com/image/12294941/photo-image-person-public-domain-metalFree Image from public domain license
Washington, D.C. Sectioning stamps preparatory to coiling at the United States Bureau of Engraving and Printing. Sourced… https://www.rawpixel.com/image/12268013/photo-image-face-paper-personFree Image from public domain license
[Untitled photo, possibly related to: La Goulette, Tunisia. Wrecked turbine which formerly provided electric power for the… https://www.rawpixel.com/image/12295227/photo-image-person-public-domainFree Image from public domain license
Filling cans with tomato juice. Phillips Packing Company, Cambridge, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286370/photo-image-person-technology-public-domainFree Image from public domain license
A drill press in operation at the Pratt and Whitney Aircraft Corporation. East Hartford, Connecticut. Sourced from the… https://www.rawpixel.com/image/12277674/photo-image-person-airplane-technologyFree Image from public domain license
Boeing aircraft plant, Seattle, Washington. Production of B-17 (Flying Fortress) bombing planes. Girl checking electrical… https://www.rawpixel.com/image/12296926/photo-image-plant-person-artFree Image from public domain license
La Goulette, Tunisia. Wrecked turbine which formerly provided electric power for the entire Tunis area. Only one of the… https://www.rawpixel.com/image/12295246/photo-image-person-technology-animalFree Image from public domain license
Cores for generators at General Electric plant. Erie, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285921/photo-image-plant-technology-public-domainFree Image from public domain license
Worker cleaning disks of machine used to separate husks from kernel in rice mill operation. State rice mill, Crowley… https://www.rawpixel.com/image/12172717/image-art-vintage-public-domainFree Image from public domain license
County agent with electric waterpump made possibly by Rural Electrification Adiministration. Grundy County, Iowa. Sourced… https://www.rawpixel.com/image/12273160/photo-image-person-technology-public-domainFree Image from public domain license