Stevengraph meaning in Information Science terminology / glossary / dictionary is:
A type of machine-embroidered silk picture, pioneered in the 1860s by Thomas Stevens of Coventry, then a center of ribbon weaving in England. Stevengraphs are typically highly detailed and often three-dimensional in effect (see this example). By the 1880s, Stevens was producing over 900 different items, including bookmarks and postcards. Click here to learn more about Stevengraphs and to see more examples.