Duplicate of the radial motor and propeller destroyed when Billy Robinson crashed. This motor was built by the Dodge Tool company, a Grinnell enterprise headed by W. S. Dodge, following Robinson's plans and drawings. It is currently on display at the…
Duplicate of the radial motor and propeller destroyed when Billy Robinson crashed. This motor was built by the Dodge Tool company, a Grinnell enterprise headed by W. S. Dodge, following Robinson's plans and drawings. It is currently on display at the…
Photostatic copy of original letter delivered by Billy Robinson on his famous cross country flight from Des Moines to Kentland, Indiana on October 17, 1914. Letter is addressed to Mr. L.A. (Dr. Louis) Hopkins, Chicago, Illinois, brother of the famous…
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.