Very old page from an exercise book in very neat manuscript with writing on both sides. The text describes in general terms, the System of Tides, i.e. as affected by the moon (diagrams etc.) No mention of Vietnam, rather of the Gulf Stream and the Atlantic Ocean - probably copied from a Vietnamese text book.. But not of Vietnam rather The Gulf Stream and Atlantic OceanRecovered from an abandoned bunker systempage from exercise book, system of tides, propaganda, nva/vc, psycological warfare, nva/vietcong, terry michael collie, 2790361, 7th battalion, 1st battalion, the royal australian regiment

Green cloth hardcovered book of 384 pages. Includes photographic and line illustrations.signed inside cover "K.H. Wilkie 1935"geography, k.h. wilkie, marie bentivoglio, f.f. fiederich, solar system, atmosphere, barometer, wind, rainfall, temperature, climate, climatic zones, rivers, glaciers, plains and plateau, mountains, volcanoes, deserts, oodnadatta, campel transport, lakes, lake frome, shorelines, oceans, tides, latitude and longtitude

Copy of black and white photograph mounted on board. Accompanied by a quote.On back of photograph: Mrs Gwen Alexander, Principal 1982-3? Quote reads: '1982 a curriculum day and weekend conference at Lorne were the beginnings of many changes, one of which was Goal Based Assessment. Students had a wider choice of subjects, the new Home Group system began.... Students will experience a richer, more rewarding and more enjoyable life at school. I am very proud to be the first woman principal of Williamstown High School.' Mrs Gwen Alexander High Tide 1982. williamstown high school, 1982, principals