Freight operations on the Indiana Harbor Belt railroad between Chicago, Illinois and Hammond, Indiana. The engine crew… https://www.rawpixel.com/image/12337498/image-person-book-technologyFree Image from public domain licenseRolfe Lawrence Chickering, farmboy from Saint Johnsbury, Vermont, who came to work at Pratt and Whitney United Aircraft in… https://www.rawpixel.com/image/12333648/image-person-technology-public-domainFree Image from public domain licenseIsolated motherboard icon illustration https://www.rawpixel.com/image/476047/free-photo-image-microprocessor-chipView licenseIsolated motherboard icon illustration https://www.rawpixel.com/image/476137/free-photo-image-artificial-intelligence-microchip-codingView licenseIsolated motherboard icon illustration https://www.rawpixel.com/image/476226/free-photo-image-artificial-boardView licenseChicago, Illinois. Locomotive repair shops of the Chicago and Northwestern railroad. Sourced from the Library of Congress. https://www.rawpixel.com/image/12318338/image-person-factory-architectureFree Image from public domain licenseBath Iron Works, shipbuilders and engineers. Bath, Maine. Sourced from the Library of Congress. https://www.rawpixel.com/image/12277692/photo-image-sky-smoke-public-domainFree Image from public domain licenseClose up of a breathalyzer https://www.rawpixel.com/image/50618/premium-photo-image-battery-charge-closeView licenseElectronic toy component isolated on background https://www.rawpixel.com/image/51725/premium-photo-image-circuit-component-deviceView licenseHands holding digital component isolated on background https://www.rawpixel.com/image/51721/premium-photo-image-hdd-background-componentView licenseHDD portable data storage isolated on background https://www.rawpixel.com/image/51717/premium-photo-image-circuit-component-dataView licenseElectronic component part tool on the table https://www.rawpixel.com/image/51713/premium-photo-image-circuit-componentView licenseEletronics resistors component part at repair shop https://www.rawpixel.com/image/51673/premium-photo-image-circuit-component-deviceView licenseHDD portable data storage isolated on background https://www.rawpixel.com/image/51669/premium-photo-image-circuit-component-dataView licenseMotherboard and HDD isolated on background https://www.rawpixel.com/image/51637/premium-photo-image-hdd-circuit-componentView licenseVaughn, New Mexico. Eastbound locomotive on the Atchison, Topeka and Santa Fe Railroad ready to leave for Clovis, New… https://www.rawpixel.com/image/12292238/photo-image-person-sky-public-domainFree Image from public domain licenseChicago, Illinois. By means of light signals along the track, the engine foreman in his office gives directions to the… https://www.rawpixel.com/image/12290608/photo-image-person-art-lightFree Image from public domain licenseTechnician holding HDD fixing at electronic repair shop https://www.rawpixel.com/image/51501/premium-photo-image-circuit-component-dataView license[Untitled photo, possibly related to: Chillicothe, Illinois. A helper engine is taken on for added power on a grade… https://www.rawpixel.com/image/12289833/photo-image-cloud-sky-smokeFree Image from public domain licenseIndian ethnicity technician repairman at workshop https://www.rawpixel.com/image/51449/premium-photo-image-component-device-documentView licenseGroup of people working at eletronic repair shop https://www.rawpixel.com/image/51437/premium-photo-image-hdd-circuit-componentView licenseAfrican ethnicity technician man working at his station https://www.rawpixel.com/image/51429/premium-photo-image-african-ethnicity-circuit-componentView licenseGroup of people working at eletronic repair shop https://www.rawpixel.com/image/51393/premium-photo-image-electronic-toy-circuit-componentView licenseGroup of people working at eletronic repair shop https://www.rawpixel.com/image/51381/premium-photo-image-circuit-component-deviceView license[Untitled photo, possibly related to: Kiowa, Kansas. The engineer's window in the cab of a locomotive. Waiting for block… https://www.rawpixel.com/image/12290351/photo-image-person-light-public-domainFree Image from public domain license[Untitled photo, possibly related to: Chicago, Illinois. Car going over the hump past the engine foreman's office at an… https://www.rawpixel.com/image/12290823/photo-image-person-technology-public-domainFree Image from public domain licenseIsolated motherboard icon illustration https://www.rawpixel.com/image/476232/free-photo-image-microchip-artificialView licenseThe San Francisco peaks, in the Sierra Nevada range near the California border, seen through the engineer's window of a… https://www.rawpixel.com/image/12292287/photo-image-border-sky-lightFree Image from public domain licenseChicago, Illinois. Car going over the hump past the engine foreman's office at an Illinois Central Railroad yard. Sourced… https://www.rawpixel.com/image/12290838/photo-image-person-technology-public-domainFree Image from public domain licenseFort Worth, Texas. Meacham Field. Students. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270364/photo-image-person-technology-public-domainFree Image from public domain licenseHands holding digital component isolated on background https://www.rawpixel.com/image/51736/premium-photo-image-background-component-deviceView licenseHands holding digital component isolated on background https://www.rawpixel.com/image/51680/premium-photo-image-background-component-deviceView licenseHDD open ready to repair on the table https://www.rawpixel.com/image/51664/premium-photo-image-circuit-component-dataView licenseMotherboard resistors and wireisolated on the table https://www.rawpixel.com/image/51656/premium-photo-image-circuit-component-deviceView license[Untitled photo, possibly related to: Chicago, Illinois. As each car goes by his window at an Illinois Central Railroad… https://www.rawpixel.com/image/12290601/photo-image-person-wood-public-domainFree Image from public domain licenseTechnician man holding a blank paper at repair stationary https://www.rawpixel.com/image/51516/premium-photo-image-circuit-component-dataView licenseGroup of people working at eletronic repair shop https://www.rawpixel.com/image/51488/premium-photo-image-circuit-component-deviceView licenseTechnician man looking at resistor circuit on paper https://www.rawpixel.com/image/51380/premium-photo-image-circuit-component-deviceView licenseOn board the fishing boat Alden out of Gloucester, Massachusetts. Pasquale Maniscaleo, engineer. Sourced from the Library of… https://www.rawpixel.com/image/12297009/photo-image-face-person-shirtFree Image from public domain licenseChicago, Illinois. Engineer in a cab of a locomotive about to pull out of a Chicago and Northwestern Railroad yard. Sourced… https://www.rawpixel.com/image/12306666/image-cloud-person-skyFree Image from public domain licenseWilliams (vicinity), Arizona. The San Francisco peaks, in the Sierra Nevada range, near the California border, seen through… https://www.rawpixel.com/image/12292955/photo-image-border-plant-personFree Image from public domain license[Untitled photo, possibly related to: Washington, D.C. Sister Aquinas, "flying nun," exchanging trade secrets with an… https://www.rawpixel.com/image/12296831/photo-image-face-hand-peopleFree Image from public domain license[Untitled photo, possibly related to: Curtis, Oklahoma. Helper engine leaving the train on Atchison, Topeka, and Santa Fe… https://www.rawpixel.com/image/12290125/photo-image-frame-smoke-lightFree Image from public domain licenseResistors electronics component on the table https://www.rawpixel.com/image/51739/premium-photo-image-circuit-component-deviceView licenseElectronic circuit component part isolated on table https://www.rawpixel.com/image/51703/premium-photo-image-circuit-component-deviceView licenseHands holding digital component isolated on background https://www.rawpixel.com/image/51683/premium-photo-image-hdd-background-componentView licenseMotherboard resistors and wireisolated on the table https://www.rawpixel.com/image/51655/premium-photo-image-circuit-component-deviceView licenseMotherboard and HDD isolated on background https://www.rawpixel.com/image/51639/premium-photo-image-circuit-component-deviceView licenseHands holding a computer component part https://www.rawpixel.com/image/51547/premium-photo-image-circuit-component-deviceView licenseHand holding HDD isolated on background https://www.rawpixel.com/image/51519/premium-photo-image-circuit-component-dataView licenseGroup of people working at eletronic repair shop https://www.rawpixel.com/image/51447/premium-photo-image-caucasian-circuit-componentView licenseHands holding a computer component part https://www.rawpixel.com/image/51443/premium-photo-image-circuit-component-deviceView licenseGroup of people working at eletronic repair shop https://www.rawpixel.com/image/51419/premium-photo-image-circuit-component-deviceView license[Untitled photo, possibly related to: Freight operations on the Indiana Harbor Belt Railroad between Chicago, Illinois and… https://www.rawpixel.com/image/12291078/photo-image-face-person-public-domainFree Image from public domain licenseHand hold HDD to fix at workshop station https://www.rawpixel.com/image/51383/premium-photo-image-circuit-component-deviceView licenseChicago, Illinois. Locomotives lined up for coal, sand and water at the coaling station in the yard of the Chicago and… https://www.rawpixel.com/image/12301217/image-steam-person-smokeFree Image from public domain license[Untitled photo, possibly related to: Pittsburgh, Pennsylvania. Mechanic working on a bus engine at the garage]. Sourced… https://www.rawpixel.com/image/12296623/photo-image-person-technology-public-domainFree Image from public domain licenseChicago, Illinois. As each car goes by his window at an Illinois Central Railroad yard, the engine foreman checks it against… https://www.rawpixel.com/image/12290607/photo-image-face-paper-handFree Image from public domain licenseHDD portable data storage isolated on background https://www.rawpixel.com/image/51722/premium-photo-image-hdd-hard-disk-circuitView licenseElectronic wire component tool part on the table https://www.rawpixel.com/image/51714/premium-photo-image-circuit-component-deviceView licenseElectronic component part tool on the table https://www.rawpixel.com/image/51702/premium-photo-image-circuit-component-deviceView licenseHands holding digital component isolated on background https://www.rawpixel.com/image/51666/premium-photo-image-background-component-deviceView licenseHands holding HDD isolated on background https://www.rawpixel.com/image/51546/premium-photo-image-circuit-component-dataView licenseCurtis, Oklahoma. Helper engine leaving the train on Atchison, Topeka, and Santa Fe Railroad. Sourced from the Library of… https://www.rawpixel.com/image/12290399/photo-image-cloud-sky-smokeFree Image from public domain licenseAfrican ethnicity technician man working at his station https://www.rawpixel.com/image/51442/premium-photo-image-african-ethnicity-circuit-componentView licenseGroup of people working at eletronic repair shop https://www.rawpixel.com/image/51422/premium-photo-image-circuit-component-deviceView licenseTechnician team working at electronics repair shop https://www.rawpixel.com/image/51406/premium-photo-image-circuit-component-deviceView licenseIndian ethnicity technician repairman at workshop https://www.rawpixel.com/image/51402/premium-photo-image-component-device-documentView licenseHands holding tool fixing HDD at electronics repair shop https://www.rawpixel.com/image/51398/premium-photo-image-circuit-component-dataView licenseIsolated motherboard icon illustration https://www.rawpixel.com/image/476122/free-photo-image-artificial-boardView license