Part of Blackie's Library of Pedagogics, an early book on OHS in the school. Though a British publication, was a health Officer in tasmania and a lecturer in school hygiene in the Tasmanian Teacher's College. Accompanied by wonderful photographs. A clean, unmarked and solid copy. 192 pages, please check with us for an accurate postage cost. There is no publishing date given, the photographs and illustrations suggest early 1900s.