Aircraft wings having a framework comprising longitudinal spars and transverse ribs have stringers connected to the ribs in the direction of the span so that their outer surface projects outside the ribs, the outer surfaces of the stringers being so located that a fair curve surrounding them in the direction of the chord gives the required wing section, and a flexible outer covering which when attached docs not contact with the ribs but assumes the required contour.
(1931), "Month in the Patent Office: A Selection of the More Important Aircraft and Engine Specifications Published Recently", Aircraft Engineering and Aerospace Technology, Vol. 3 No. 6, pp. 153-153. https://doi.org/10.1108/eb029415
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