BY

R. T. GLAZEBROOK, M.A., F.R.S.

DIRECTOR OF THE NATIONAL PHYSICAL LABORATORY

AND

W. N. SHAW, M.A., F.R.S.

FELLOW OF EMMANUEL COLLEGE

NEW IMPRESSION

LONGMANS, GREEN, AND CO.
39 PATERNOSTER ROW, LONDON

NEW YORK, BOMBAY, AND CALCUTTA

1909

All rights reserved

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STORAGE

BIBLIOGRAPHICAL NOTE.

First printed January 1885; Reprinted May 1886, December 1888.

Revised Edition February 1893; Reprinted April 1894, January 1899, November 1900, January 1902, and January 1904. New Edition September 1905, Reprinted September 1909.