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Originally published in 1936 as the third instalment of McKenzie's School Certificate trilogy, this book explains the physical properties of light. The text is accompanied by multiple photographs, drawings and diagrams to illustrate key points, and every chapter concludes with several questions for students to reinforce the chapter content. This book will be of value to anyone with an interest in the history of science education in Britain.Explain the optical system of a projecting lantern (the ordinary a€œmagica€ lantern). How would you decide what focal length of projecting lens to use in a given hall? (O. aamp; C.) 3. Explain, with a diagram, why lantern slides are put into a lanternanbsp;...

Author:A. E. E. McKenzie
Publisher:Cambridge University Press - 2014-12-04


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