THE MANUAL OF THE HYDROMETER Second Edition. By Lionel Swift, Esq., R. N. 3s. 6d.

Illustrated.

Will be found of considerable interest to Engineers and all those who are interested in the safe and economical working of Steam Engines.Shipping and Mercantile Gazette.

Have been treated in the clear and simple manner which has been already manifested by Mr. Swift, in his accurate description of the history and philosophy of the Hydrometer-Army and Navy Gazette.

THE HISTORY OF H.M.S. VICTORY' 15th Thousand. By Commander W. J. L. WHARTON, R.N. A most interesting Memoir of the famous ship in which Nelson won his crowning triumpth and death. Price Is. cloth.

THE ARCTIC NAVY LIST:

OR

A Century of Arctic and Antarctic Officers. 1773--1873.
BY CLEMENT R. MARKHAM, ESQ., C.B. F.R.S.
With Officers of 1875 Expedition, and Circumpolar Chart.-3s. 6d.
Proceedings of the 'Junior Naval Professional

Part 3.

Association.'

With Plates, price 5s. Parts 1 and 2 out of print.

THE ACTIVE LIST OF FLAG OFFICERS Captains, Commanders, and Lieutenants of the Royal Navy, with particulars exhibiting the progress, &c., of Officers, from their entry into the Service to July 1st, 1871. By Captain William Arthur, R. N. Demy 8vo. Price 3s. 6d.

NAUTICAL SURVEYING

Reprinted from Alston's Seamanship.

With Charts.

2s. 6d.

"We have never met with any treatise on nautical surveying by any means so well calculated to answer the purpose for which it was written."Naval Science.

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