THE NATURAL
HISTORY OF CLAY
BY
ALFRED B. SEARLE
Cantor Lecturer on Brickmaking,
Author of British Clays, Shales
and Sands
; The Clayworker's
Handbook
, etc., etc.
Cambridge:
at the University Press
New York:
G. P. Putnam's Sons
1912

PRINTED BY JOHN CLAY, M.A.
AT THE UNIVERSITY PRESS

With the exception of the coat of arms at the foot, the design on the title page is a reproduction of one used by the earliest known Cambridge printer, John Siberch, 1521


PREFACE