The SciencesKites: Their Theory and Practiceii.theoretical principles.By B. F. S. Baden-Powell on June 11, 1898AdvertisementABOUT THE AUTHOR(S)Recent Articles by B. F. S. Baden-PowellRecent Aeronautical Progress, and Deductions to be Drawn Therefrom, regarding the Future of Aerial NavigationKites: Their Theory and Practice