Specimen of Boulton-Paul light aeroplane wing construction, by Boulton and Paul Limited, Norwich, Norfolk, England, 1931 Specimen of Boulton-Paul light aeroplane wing construction 1931
Two specimens of Boulton-Paul light aeroplane wing construction, by Boulton and Paul Limited, Norwich, Norfolk, England, 1931 Two specimens of Boulton-Paul light aeroplane wing construction 1931
Specimen of Boulton-Paul light aeroplane wing construction, by Boulton and Paul Limited, Norwich, Norfolk, England, 1931 Specimen of Boulton-Paul light aeroplane wing construction 1931