http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f8-subject=Airplanes -- Performance) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f8-subject%3DAirplanes%20--%20Performance Results for your query: docsPerPage=100;f8-subject=Airplanes -- Performance Thu, 01 Jan 1970 12:00:00 GMT Factors producing erratic engine operation: installation engineering : report no. PWA. INST. 240. United Aircraft Corporation Pratt & Whitney Aircraft Division., MacClain, A. Lewis. 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