POLARISATION OF LIGHT:

A LECTURE

DELIVERED IN

THE CITY HALL, GLASGOW,

On Thursday, 13th December, 1877.

OD

UNDER THE AUSPICES OF

The Glasgow Science Lectures Association.

20

19.

BY

WM. SPOTTISWOODE, Esq., M.A., F.RS, LL.D.

LONDON AND GLASGOW: WILLIAM COLLINS, SONS, & COMPANY.

1878.