United Air Lines  Boeing 40-B-4  NC178E              (c/n  1096)


                                    This nice Boeing Airplane Co photograph was taken in June 1931, two months before I was born.
                                    It depicts one of the Boeing 40-B-4s which came from Pacific Air Transport/Boeing Air Transport.
                                    Later on, either in 1934 when the new air mail contracts were let, or even before that, the four comp-
                                    onent lines which made up United lost their identities and the roundell was replaced (see shot below)
                                    with a map showing United's route structure.  (The lower machine probably was ex-Varney Air Lines.)
                                    Boeing 40-B-4   NC10343                (c/n  1424)