http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Internal combustion engines -- Valves) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DInternal%20combustion%20engines%20--%20Valves Results for your query: docsPerPage=100;f277-subject=Internal combustion engines -- Valves Thu, 01 Jan 1970 12:00:00 GMT A symposium on internal combustion engine valves. Thompson Products, inc Valve Division. https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT