'Women of Britain These scientific instruments demand nimble fingers and quick brains. Come Forward Now'

Colour photolithograph poster by unknown artist, printed by Fosh and Cross Ltd, 1940 (c).

During World War Two (1939-1945) many British anti-aircraft batteries had female personnel. Members of the Auxiliary Territorial Service (ATS) served as gunners, range finders (as in this poster) and sound detectors while others operated search lights and radar equipment.