{"version":"1.0","type":"link","title":"Composition roller - Newikis","description":"A composition roller is a tool used in letterpress printing to apply ink to a bed of type in a printing press. It consists of a cylinder made of a substance known as \"roller composition\" or simply \"composition\", a mixture of hide glue and sugar (in the form of molasses or treacle), with various…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/5/57/Typograph_composition_kettle_-_section.png","thumbnail_width":548,"thumbnail_height":818}