Monthly supplement of the penny magazine of the Society for the Diffusion of Useful Knowledge, issue 21

"Monthly supplement of the penny magazine of the Society for the Diffusion of Useful Knowledge" is an illustrated periodical miscellany produced in the early 19th century. It presents short, readable articles and reviews spanning architecture, machinery and industry, natural history, public monuments, travel writing, and contemporary literature, aimed at popular education and curiosity. The contents range widely. - Summary by LynneT