6128244
9780719803215
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Until 1933 the refractometer and the microscope were the two principal tools in gem testing. B.W. Anderson introduced the hand spectroscope which became the 3rd instrument for the UK gemmologist. The publication of his papers in the 1950s alerted gem laboratories to it. This volume is an updated version of his original papers.Anderson, Basil is the author of 'Spectroscope and Gemmology', published 2006 under ISBN 9780719803215 and ISBN 0719803217.
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