The wing or upper wing of an aeroplane is disposed directly on the fuselage and is stepped down‐wardly at its central portion a, b adjacent the longitudinal axis of the aeroplane so that the lower‐most part of this portion lies in or beneath the level of the under‐surface c, d of the wing so as to offer the minimum of interference with the view of a pilot seated behind the wing.
(1933), "Month in the Patent Office: A Selection of the More Important Aircraft and Engine Specifications Published Recently", Aircraft Engineering and Aerospace Technology, Vol. 5 No. 2, pp. 48-48. https://doi.org/10.1108/eb029659
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