Disclosure of Herring Triplane

Augustus M. Herring, "Recent Advances Toward a Solution of the Problem of the Century", Aeronautical Annual 3 (printed Boston, 1897) pp.68-74, released 1898

Octave Chanute, "Recent Experiments in Gliding Flight", Aeronautical Annual, 3 (printed Boston,1897) p. 37, released 1898