Pressing Iron (1935–1942) by David S. De Vault. Original from The National Gallery of Art. Digitally enhanced by… https://www.rawpixel.com/image/3372446/free-illustration-image-antique-art-artworkFree Image from public domain licenseSubstitute materials. Timber connectors. Prefabricated timber prepared for timber connectors. Timber connectors are pressed… https://www.rawpixel.com/image/12303299/image-pattern-wood-platesFree Image from public domain licenseWorking on the hydraulic presses at cotton seed mill. McLennan County, Texas by Russell Lee https://www.rawpixel.com/image/12146950/image-person-art-vintageFree Image from public domain licenseRemoving excess moisture from leather by means of rollers. Leather must be moistened and tempered before being used and then… https://www.rawpixel.com/image/12175449/image-person-art-vintageFree Image from public domain licenseDrill press operator in a machine shop. Sourced from the Library of Congress. https://www.rawpixel.com/image/12301172/image-person-technology-factoryFree Image from public domain license[Untitled photo, possibly related to: Cotton seed oil running from hydraulic presses. Cotton seed oil mill. McLennan County… https://www.rawpixel.com/image/12143865/image-background-art-patternFree Image from public domain license[Untitled photo, possibly related to: Removing cotton cake from hydraulic presses after oil has been removed. Cotton seed… https://www.rawpixel.com/image/12148144/image-person-art-vintageFree Image from public domain licenseCotton seed oil running from hydraulic presses. Cotton seed oil mill. McLennan County, Texas by Russell Lee https://www.rawpixel.com/image/12148138/image-background-art-patternFree Image from public domain license