Curiosities of Light and Sight

by Shelford Bidwell

CURIOSITIES OF LIGHT AND SIGHT.

CURIOSITIES OF
LIGHT AND SIGHT

BY
SHELFORD BIDWELL, M.A., LL.B., F.R.S.

WITH FIFTY ILLUSTRATIONS

LONDON:
SWAN SONNENSCHEIN & CO., LIMITED
Paternoster Square
1899

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PREFACE.

The following chapters are based upon notes of several unconnected lectures addressed to audiences of very different classes in the theatres of the Royal Institution, the London Institution, the Leeds Philosophical and Literary Society, and Caius House, Battersea.