Women in war. Machine gun production operators. She carries a torch for the men of America's armed forces! Blonde, twenty-one-year-old Elne Nigholm brazes bolt latch releases for the Army's machine guns in a Midwest plant which has been converted from the manufacture of spark plugs to production of war materials. Two thousand women now work in this plant, with more to be added as production increases. A.C. Spark Plugs. Sourced from the Library of Congress.