http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f161-subject=Gunpowder) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f161-subject%3DGunpowder Results for your query: docsPerPage=100;f161-subject=Gunpowder Thu, 01 Jan 1970 12:00:00 GMT Rifled ordnance: a practical treatise on the application of the principle of the rifle to guns and mortars of every calibre. Thomas, Lynall. http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT