TRANSACTIONS

OF THE

INSTITUTION OF NAVAL ARCHITECTS.

VOLUME XVII.

EDITED BY A. SEDGWICK WOOLLEY, A.I.N.A.,

SECRETARY TO THE INSTITUTION.

1876.

OFFICE,-20, JOHN STREET, ADELPHI, LONDON, W.C.

SOLD BY HENRY SOTHERAN & CO., 36, PICCADILLY, LONDON, W.;

J. BAER & CO., PARIS AND FRANKFORT-ON-THE-MAIN.

[All rights reserved.]

CONTENTS.

List of Officers

List of Honorary Members, Honorary Associates, Members, and Associates

Objects of the Institution

Bye-Laws and Regulations

Introductory Proceedings

PAGE.

V

vii

xiii

xiii

xvii

Discussion on the above Paper

PAPERS AND DISCUSSIONS.

On Ships of War. By N. BARNABY, Esq., C.B., Director of Naval Construction of the Royal Navy, Vice-

President

On Unarmoured Vessels. By T. BRASSEY, Esq., M.P., Associate

1

6

13

Discussion on the above Paper

18

On Circular Iron-clads. By E. E. GOULAEFF, Esq., F.R.S.N.A., Lieut. of Naval Architects, Imperial Russian

Navy, Member

On a Proposed Cellular System of Building for Ships of War. By H. J. BOOLDS, Esq., Surveyor, Lloyd's

Registry of British and Foreign Shipping

Discussion on the above Paper

On certain Austrian Iron-clads. By E. J. REED, Esq., C.B., F.R.S., M.P., Vice-President

On Tested Iron and Ships. By J. E. Scorт, Esq., Member

Discussion on the above Paper

On Double and Triple Cylindrical Vessels. By H. A. EGERTON, Esq.

Discussion on the above Paper

On Pumping and Ventilating Arrangements. By THOMAS MORLEY, Esq., Member

On the Present System of Seacocks and their Connections in Steamers. By H. G. SPENCE, Esq., Member 111

Discussion on the two preceding Papers

On the Unequal Onward Motion in the Upper and Lower Currents in the Wake of a Ship; and the Effects

of this Unequal Motion on the Action of the Screw-Propeller. By Professor OSBORNE REYNOLDS

Discussion on the above Paper

On Steel for Shipbuilding as supplied to the Royal Navy. By JAMES RILEY, Esq., Manager of the Landore

Siemens-Steel Works

On the Nicolaieff Floating and Depositing Dock. By LATIMER CLARK, Esq., C.E.