A stock certificate for one share in the Grinnell Aeroplane Company purchased by James Buswell with a par value of $50 per share. Certificate is signed by L. Braude, president and Harold L. Beyer, secretary.
Billy Robinson's monoplane next to his hangar in west Grinnell. The hangar was later transported in three parts to the Ben and Harold Buck farm west of Grinnell in Jasper County. (Description taken from Grinnell Then and Now published by the Grinnell…
Billy Robinson designed and built this monoplane and its radial engine. In 1914 he set a speed and distance record with it, carrying mail from Des Moines to Kentland, Indiana. (Description taken from Grinnell in Vintage Postcards by Bill Menner)
