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TRANSACTIONS

OF THE

INSTITUTION OF NAVAL ARCHITECTS.

VOLUME XVII.

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

SECRETARY TO THE INSTITUTION.

187 6.

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.]

LONDON:

PRINTED BY THOMAS SCOTT, WARWICK COURT,

HOLBORX.

|

(2)

CONTENTS.

PAGE.

V

vii

.

.

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

President

1

Discussion on the above Paper

6

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

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

29

Discussion on the above Paper

43

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

62

Discussion on the above Paper

67

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

73

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

81

Discussion on the above Paper

86

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

95

Discussion on the above Paper

100

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

103

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

Discussion on the two preceding Papers

120

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 127

Discussion on the above Paper

134

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

Siemens-Steel Works

135

Discussion on the above Paper

148

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

156

Discussion on the above Paper

164

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