C. V. BOYS, A.R.S.M., F.R.S.,
ASSISTANT PROFESSOR OF PHYSICS AT THE ROYAL COLLEGE OF SCIENCE, SOUTH KENSINGTON.
PUBLISHED UNDER THE DIRECTION OF THE GENERAL LITERATURE COMMITTEE.
SOCIETY FOR PROMOTING CHRISTIAN KNOWLEDGE,
LONDON: NORTHUMBERLAND AVENUE, W.C.;
43, QUEEN VICTORIA STREET, E.C.
BRIGHTON: 129, NORTH STREET.
New York: E. & J. B. YOUNG & CO.
1896.
TO
G. F. RODWELL,
THE FIRST
SCIENCE-MASTER APPOINTED AT MARLBOROUGH COLLEGE,
This Book is Dedicated
BY THE AUTHOR
AS A TOKEN OF ESTEEM AND GRATITUDE,
AND IN THE HOPE THAT
IT MAY EXCITE IN A FEW YOUNG PEOPLE SOME SMALL
FRACTION OF THE INTEREST AND ENTHUSIASM WHICH
HIS ADVENT AND HIS LECTURES AWAKENED
IN THE AUTHOR, UPON WHOM THE LIGHT
OF SCIENCE THEN SHONE FOR
THE FIRST TIME.