The Woman’s Part. A Record of Munitions Work  written by L. K. Yates and published in 1918 includes details of the work done by women in engineering in Britain during the First World War (such as inspecting and gauging fuses, as shown here). Yates claims in this pamphlet that:

‘Events have proved that the women of Great Britain are as ready as their menfolk to sacrifice comfort and personal convenience to the demands of a great cause, and as soon as it was made known that their services were required, they came forward in their hundreds of thousands.’

Over by Christmas. December 5. See the 2014 Advent calendar on the SC&A website.