David Ellyard  1942- <br/><br/>
Who invented what when 
David Ellyard. 
 - Print Book2006 Frenchs Forest, N.S.W.; London:  New Holland,  2006. 
 - 320 pages  Colour illustrations:  20 cm 
<br/><br/>Includes bibliographical references (pages 300-301) and index. 
<br/><br/> "Recounts the 500-year saga of innovation that has shaped our world. Ordered chronologically, each invention is placed in its historical context and provides insight into the inventor's life and motivation as well as the impact of their invention"--Publisher's description. 
<br/><br/> Adult. 
<br/><br/><label>ISBN: </label>9781741 104882 
<br/><br/><label>Subjects--Personal Names: </label><br/> Ellyard, David   Sydney, 2006   2006. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>London
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Critical world issues
<br/><br/><label>Subjects--Topical Terms: </label><br/>Advice and Rights--Social Sciences
<br/><br/><label>Subjects--Geographic Terms: </label><br/>South Africa
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Inventions--History
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Biographies
<br/><br/><label>Index Terms--Curriculum Objective: </label><br/>Technological innovations
<br/><br/><label>Dewey Class. No.: </label>503 ELLY