These photos of women workers in England during World War I come from here.
Female labourers push loaded wheel barrows on a construction site in Coventry, ca. 1917
A British women's fire brigade takes the salute, March 1916
A woman drives a delivery van pulled by a pair of horses, August 1916
A woman munitions worker operates a machine that makes shell cases
in an armaments factory during the First World War, ca. 1915
Members of the Women's Police Service, ca. 1916
Members of the Women's Reserve Ambulance Corps, June 1916
Women forestry workers have their lunch sitting on a pile of logs, May 1918
[these ladies were called "lumberjills"]
Women war workers pull a truckload of boxes on the
Midland Railway in Somerton, Somerset, May 1917
Women work at Cross Farm in Shackleton, Surrey, April 1917
Women workers at the Gas Light and Coke Company at
Bromley By Bow, London, serve tea on top of a gasometer, June 1918
[what is a gasometer? hint: it seems a dangerous place to be having tea]