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action Admiral Admiralty advance advantage angle Assyria attack battle blades British called caused centre close columns consequently considered consists constructed corners cylinder deck described direction divisions double échelon effect efficient enable enemy enemy's engine England equal experiments Feap feet fire fleet follows force formation French greater Griffiths guns History Illustrations importance improvement increase Italy leading length less Letters line ahead line of bearing Lord manner means measures military motion moved movement naval navy nearly necessary Notes oblique observed obtained operations paddle pass patent piston Portrait position Post 8vo practice present pressure principle propeller rear removed respect Royal sail screw screw-propeller Second Edition ships speed steam steam-fleets steamers stern surface tactics Third Edition Thousand tion trials turn vessel Vols warfare wheel whole wind Wols Woodcuts
Página 172 - SvO. 4i. PUBLISHED BY MR. MURRAY. 17 HEIRESS (THE) in Her Minority; or, The Progress of Character. By the Author of
Página 26 - when the piston has moved two-fifteenths of the whole length of stroke, the effective momentum will be the same as that which would be produced by the steam of less elasticity when used unexpansively : while the consumption of steam, and therefore of fuel, in the former case is only onethird
Página 27 - of the screw is a result much to be dreaded in a general use of that implement, whatever its advantages may be in other respects, and a sufficient number of experiments have not yet been made to ascertain the effects of long-continued screw-propulsion at full speed. Such experiments should therefore be made and continued
Página 146 - and, it may be added, fired at long ranges with solid shot, as rapidly, at least, as a 10-inch shell-gun, which cannot fire solid shot It has been. recommended to the Government of the United States that there should be constructed a number of sloops of war, each furnished with brass boat-guns—12 and
Página xvii - the decision respecting the establishment of ships' crews for manning the 45 ships of the line decreed by the Ordonnance of 1846, it was regulated that an adequate increase should be made in the number of companies, each of which was appointed to consist of 60 seamen of the first, second, and third classes, with 20
Página 146 - Surely this defective shell-gun should be forthwith withdrawn, and the 68-pounder solid-shot gun substituted. There is ample displacement and deck-room to admit of this; and we have the authority of Captain Dahlgren, and even that of the gallant Captain of the ' Diadem,' for asserting, that the 95-cwt solid-shot 68-pounder may be worked as easily as a
Página 9 - VOYAGE to the Mauritius and back, touching at the Cape of Good Hope and St.
Página 21 - 1. IT would be foreign to the plan of this work to enter into details respecting the invention of the steam-engine, or to describe the gradual improvements which it has subsequently undergone; * a brief notice only will
Página 38 - low in the vessel that both the moving power and the propelling machinery are safe from the damaging effects of shot: the screw allows more freely the use of sails, and consequently enables the vessel to which it is applied to retain her faculties as a
Página xvii - also that the establishment of seamen-gunners should be on so large a scale, that there might be one well-trained gunner to every gun in the ships to which they should be drafted. The decisions of French Commissioners, on subjects referred to them, are not