http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Hydraulics -- Problems, exercises, etc) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DHydraulics%20--%20Problems,%20exercises,%20etc Results for your query: docsPerPage=100;f4-subject=Hydraulics -- Problems, exercises, etc Thu, 01 Jan 1970 12:00:00 GMT Hydraulic principles: prepared for aircraft flight and ground crews. Airlines War Training Institute, Etchison, James Walter, 1912-, Smith, Joe Chris. 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