Dornier "Superwal" Commercial Seaplane: Two Rolls-Royce "Condor" 650 HP. Engines

Document details
Year:	1927
Document Type:	N/A
Series:	NACA Aircraft Circulars
Report Number:	NACA-AC-31
Link:	https://digital.library.unt.edu/ark:/67531/metadc63001/