Folio from a Mu'nis al-ahrar fi daqa'iq al-ash'ar (The Free Man's Companion to the Subtleties of Poems) of Jajarmi https://www.rawpixel.com/image/9185410/image-arrow-paper-moonFree Image from public domain licenseFragment van decretalen met een miniatuur en gehistorieerde initiaal (c. 1325 - c. 1340) by anonymous https://www.rawpixel.com/image/13790202/image-paper-face-personFree Image from public domain licenseProduction. Pratt and Whitney airplane engines. Cylinder heads for R-1340 Wasp planes are inspected in a large Eastern plant… https://www.rawpixel.com/image/12307867/image-plant-people-planesFree Image from public domain license