Inside Out Library · ExploreModel aeroplanes and their engines; a practical book for beginners (1917)Cavanagh, George Anthony, 1894- [from old catalog] · New York, Moffat, Yard & company · leaf 177The Rompel six-cylinder carbonic gas engineAirplanes -- ModelsInternet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.More pictures from Model aeroplanes and their engines; a practical book for beginnersMore like this