POOR MARY 1907   "Mary, get a move on, I'm off t'mill. Get the boys to school then set about your jobs," mam shouted up the bare wooden stairs. Groaning, I got out of the bed that I shared with my two younger sisters and crossed the draughty landing to a tiny bedroom, no bigger than a cupboard, to wake my brothers, who were curled up together in a small, homemade bed. "Come on sleepyheads, time for school," I whispered, gently shaking the sleeping pair. Down in the small kitchen, I was pleased to find some tea still remained in