The Rohrbach "ROCCO:" seaplane : new German commercial seaplane with two Rolls-Royce "Condor" engines
A 1927 NACA Aircraft Circular issued as a technical report by NASA's Technical Reports Server, documenting the German Rohrbach Rocco commercial seaplane with two Rolls-Royce Condor engines for aviation engineers and researchers. The page gathers a line drawing with several photographs of the aircraft's hull, wing, and engine nacelles, showing the aircraft's construction in plain documentary detail. A designer could take its stark grey tones and layout of technical views as a model for presenting machinery as a series of measured, labelled angles.
