many aircraft in formation stamped Copyright WD Walker. Annotated "Aeroplanes flying in formation at the Royal Air Force Padgent Hendon June 1930"
autogyro in flight stamped Copyright WD Walker. Annotated "the autogyro which will enable aeroplanes to land on to flat roofs"
six biplanes in formation stamped Copyright WD Walker. Annotated "taken during the RAF Pagent at Hendon 28/6/30"
three biplanes in formation stamped Copyright WD Walker. Annotated "these aeroplanes looped the loop in unison with their wings tied together Hendon 28/6/30"
ambulance in front of hospital. Annotated "Station sick quarters (Bill's headquarters) RAF North Weald. The masts beyond are that of the Marconi Station"