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FOREWORD
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This book is presented for
the general reading public, as well as high school or college students,
who have a desire for the non-technical aspects of science. An attempt
has been made to interest the reader without sacrificing accuracy. The
book should be found a pleasant pastime for all classes of people. Every young man is interested in diamonds sometime in his life and every young woman is looking forward to receiving a diamond from her sweetheart.
For
the last ten years the author has received hundreds of letters of
inquiry about natural and synthetic diamonds. This is what prompted him
in part to write the book. He has lectured on this subject before many
different clubs, high schools, colleges, universities and scientific
groups. It is his hope that this book will answer many questions that
were raised in his lectures and those which could not possibly be
answered in an hour's lecture.
The
author has endeavored to cover the subject of diamonds and some of the
precious gems in a very brief, popular way, from their very earliest
history to the present. The last chapter gives the history of synthetic
diamonds and how they have been made at McPherson College for the last
fifteen years. Meanwhile the experiments are contin-
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