PNG Vintage portable steam engines engraving illustration, transparent background https://www.rawpixel.com/image/561129/png-vintage-car-train-retro-styleView licenseVintage portable steam engines engraving vector https://www.rawpixel.com/image/561127/portable-steam-enginesView licenseTemperature control panel at a factory. Original public domain image from Flickr https://www.rawpixel.com/image/3262199/free-photo-image-pumping-water-pump-000Free Image from public domain licenseVintage steam train illustration https://www.rawpixel.com/image/539758/premium-illustration-vector-train-industrial-drawingView licenseWelder making boilers for a ship, Combustion Engineering Co., Chattanooga, Tenn. https://www.rawpixel.com/image/8718485/photo-image-smokes-public-domain-maskFree Image from public domain licensePNG Vintage steam train illustration, transparent background https://www.rawpixel.com/image/557706/png-vintage-steam-train-illustration-transparent-backgroundView licensePortable steam engines design from the book Pawson and Brailsford’s Illustrated Guide to Sheffield and Neighbourhood… https://www.rawpixel.com/image/561137/portable-steam-enginesFree Image from public domain licenseHeating room. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by… https://www.rawpixel.com/image/434040/free-photo-image-heating-valves-boiler-roomFree Image from public domain licenseWater filled fin-tube heating element under plant tables at Good Harvest Farm on April 19, 2011 in Strasburg, PA, was… https://www.rawpixel.com/image/3261698/free-photo-image-warehouse-energy-efficiency-farm-plantFree Image from public domain licenseVintage portable steam engines engraving illustration https://www.rawpixel.com/image/561119/portable-steam-enginesView licenseVintage steam train illustration https://www.rawpixel.com/image/539761/premium-illustration-psd-black-and-white-boiler-drawingView licenseDenver, Colorado. Interior of a once-abandoned railroad machine shop, now producing fabricated steel parts for the hulls of… https://www.rawpixel.com/image/12302530/image-person-wood-factoryFree Image from public domain licenseVintage steam train illustration https://www.rawpixel.com/image/539754/free-illustration-vector-monochrome-train-black-and-whiteView licensePitcairn, Pennsylvania. Miss Mary DaVanzo, twenty-two, employed at the Pennsylvania Railroad steel car shop boiler room as a… https://www.rawpixel.com/image/12307675/image-person-public-domain-hospitalFree Image from public domain licenseProduction. Tin smelting. "Bars" of pure tin are trimmed and cleaned before removal from the molds in which they were formed… https://www.rawpixel.com/image/12302234/image-plant-person-factoryFree Image from public domain licenseIndustrial salvage. Marine iron and steel scrap. Iron and steel scrap, left over from the repair and replacement of marine… https://www.rawpixel.com/image/12301919/image-person-sky-factoryFree Image from public domain licenseVintage steam train illustration. Original from British Library. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/539770/free-illustration-image-train-black-and-white-retroFree Image from public domain licenseOil well boilers with church and oil derricks in the background. This is reputed to be one of the richest churches in the… https://www.rawpixel.com/image/12143799/image-background-art-skyFree Image from public domain licenseProduction. Tin smelting. "Bars" of pure tin are trimmed and cleaned before removal from the molds in which they were formed… https://www.rawpixel.com/image/12306990/image-plant-person-factoryFree Image from public domain licenseJohannesburg Hospital, South Africa: member of staff, possibly in the boiler room. Photograph, c. 1905. https://www.rawpixel.com/image/13992022/photo-image-person-technology-hospitalFree Image from public domain licenseIndustrial salvage. Marine iron and steel scrap. Iron and steel scrap, left over from the repair and replacement of marine… https://www.rawpixel.com/image/12306836/image-background-nature-craftFree Image from public domain licenseProduction. Tin smelting. "Bars" of pure tin are trimmed and cleaned before removal from the molds in which they were formed… https://www.rawpixel.com/image/12307891/image-plant-person-artFree Image from public domain licenseBoilers provided to heat the garment factory at Jersey Homesteads, Hightstown, New Jersey by Russell Lee https://www.rawpixel.com/image/12145645/image-person-art-vintageFree Image from public domain licenseIndustrial salvage. Marine iron and steel scrap. Iron and steel scrap, left over from the repair and replacement of marine… https://www.rawpixel.com/image/12306613/image-cloud-person-skyFree Image from public domain licenseVintage steam train illustration https://www.rawpixel.com/image/539767/free-illustration-vector-train-steam-blueView license[Untitled photo, possibly related to: Boilers in a sugar refinery near Ponce, Puerto Rico]. Sourced from the Library of… https://www.rawpixel.com/image/12254126/photo-image-person-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Boilers in a sugar refinery near Ponce, Puerto Rico]. Sourced from the Library of… https://www.rawpixel.com/image/12253077/photo-image-person-technology-public-domainFree Image from public domain licenseOil field workers standing on drill pipe with boilers and oil derrick in background, Kilgore, Texas by Russell Lee https://www.rawpixel.com/image/12171217/image-background-plant-personFree Image from public domain license[Untitled photo, possibly related to: Boilers in a sugar refinery near Ponce, Puerto Rico]. Sourced from the Library of… https://www.rawpixel.com/image/12253188/photo-image-person-technology-public-domainFree Image from public domain license