Her Majesty, Queen Mary, with Princess Mary inspects the women's reserve
ambulance at Wellington Barracks. When Queen Mary alights from her car she is
greeted by the officer in command (Mrs Charles Beatty) and with Princess Mary
and her party she stands to watch the parade; the unit is then standing at the
salute; finally the Royal party inspect thelong ranks of women and the long
row of ambulances with their drivers.