From Aero Digest, April, 1935:
Kellett Autogiro Corporation, Philadelphia, Pennsylvania
• President and Sales Manager: W. Wallace Kellett. Vice-president: C. T. Ludington. General Manager: R. G. Kellett. Chief Engineer: R. H. Prewitt.
Two-place wingless direct control autogiro. Jacobs L-4 engine, 225 horsepower. Rotor diameter 40 feet. Length overall (blades folded) 20 feet 6.5 inches.
Height overall (blades folded) 10 [...]