Keywords: Avroe-1930.jpg A V Roe 1930 http //www flightglobal com/pdfarchive/view/1930/untitled0 20- 200699 html Flight 20 June 1930 p 659 author 1930-06-20 Flight archives from Flightglobal Cc-by-sa-4 0 https //www flightglobal com/pdfarchive/index html The Flight magazine archive from Flightglobal PD-old-80-1923 Alliott Verdon Roe Images from Flight archives licensed by Flightglobal |