http://www.rssboard.org/rss-specification 720 XTF Search Results (subject=Aeronautics;subject-join=exact;smode=advanced;brand=default;f1-subject=Aerodynamics;f2-subject=Air flow) http://catalog.wrhs.org/collections/search?subject%3DAeronautics;subject-join%3Dexact;smode%3Dadvanced;brand%3Ddefault;f1-subject%3DAerodynamics;f2-subject%3DAir%20flow Results for your query: subject=Aeronautics;subject-join=exact;smode=advanced;brand=default;f1-subject=Aerodynamics;f2-subject=Air flow Thu, 01 Jan 1970 12:00:00 GMT Smoke streams: visualized air flow. Ludington, Charles Townsend, 1896- http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT