Complex sentence: She worked in the War Office from 1915 to 1917, later working as a painter at a furniture company in Suffolk, Walberswick Peasant Pottery Co., where she worked until 1930.
Split into simpler sentences: She worked in the War Office from 1915 to 1917. Then she took work as a painter at a furniture company in Suffolk, Walberswick Peasant Pottery Co., where she worked until 1930.