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where it can best be seen, but at a height not exceeding twenty feet above the hull, a white light, in a globular lantern of eight inches in diameter, and so constructed as to show a clear, uniform, and unbroken light all round the horizon at a distance of a least one mile.

Given under our hands, this 24th day of February, 1858.

Charles Wood.
K. S. Dundas.
By Command of their Lordships,
W. G. Romaine, Secretary.

The following diagrams are intended to illustrate the Diagrams, use of the lights carried by vessels at sea, and the manner in which they indicate to the vessel which sees them, the position and description of the vessel which carries them :—

First.—When both red and green lights are seen: A. sees a red and green light ahead;—A. knows that a vessel is approaching her on a course directly opposite to her own, as B.:

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If A. sees a white mast-head light above the other two, she knows that B. is a steam-vessel.

Second.—When the red and not the green light is seen:

A. sees a red light ahead or on the bow;—A. knows that either—

r 1, A vessel is approaching her on her port bow, as B.;

[graphic]

or, 2, a vessel is crossing in some direction to port, as D. D. D.:

[graphic]

If A. sees a white mast-head light above the red light, A. knows that the vessel is a steam-vessel, and is either approaching her in the same direction, as B., or is crossing to port in some direction, as D. D. D.

Third.—When the green and not the red light is seen:

A.sees a green light ahead or on the bow; A. knows that either—

1, A vessel is approaching her on the starboard bow, asB.

[graphic]

or, 2, a vessel is crossing in some direction to starboard, as D. D. D.

[graphic]

If A. sees a white mast-head light above the green light, A. knows that the vessel is a steam-vessel, and is either approaching her in the same direction as B., or is crossing to starboard in some direction, as D. D. D.

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REGULATIONS AS TO LIGHTS.

For the purpose of facilitating the comparison of these Regulations with the last ones issued in the year 1852, they are here printed in parallel columns.

Steam-
Vessels.

Requlatiohs of 1852,

which remain in force until the 30th

of September, 1858.

Admiralty notice respecting lights to be carried by sea-going vessels, to prevent collision.

By the Commissioners for executing the office of Lord High Admiral of the United Kingdom of Great Britain and Ireland, &c, &c.

By virtue of the power and authority vested in us by the Act 14 & 15 Vict. c. 79, dated 7th August, 1851, we hereby require and direct that the following regulations be strictly observed.

Steam- Vettels. All British sea-going steam-vessels (whether propelled by paddles or screws) shall, within all seas, gulfs, channels, straits, bays, creeks, roads, roadsteads, harbours, havens, ports, and rivers, and under all circumstances, between sunset and sunrise,

H.

New Regulations.

which come into force on the 1st of

October, 1858.

Admiralty notice respecting lights and fog signals, to be carried and used by sea-going vessels, to prevent collision.

By the Commissioners for executing the office of Lord High Admiral of the United Kingdom of Great Britain and Ireland, &c.

By virtue of the power and authority vested in us we hereby revoke, as from and after the 30th day of September, 1858, the regulations made and published by us on the 1st day of May, 1852, relating to the lights to be carried by sea-going vessels to prevent collision. And we hereby make the following regulations, and require and direct that the same be strictly observed and carried into effect on and afterthe 1st day of October, 1858.

Steam- Vesselt. All sea-going steam-vessels, when I.

Regulations of 1852,

which remain in force until the 30th

of September, 1858.

exhibit lights of such description, and in such manner, as hereinafter mentioned, viz.,

When under Steam. A bright white light at the foremast head.

A green light on the starboard side.
A red light on the port side.

1. The masthead light is to be visible at a distance of at least 5 miles in a dark night, with a clear atmosphere, and the lantern is to be so constructed as to show a uniform and unbroken light over an arc of the horizon of 20 points of the compass, being 10 points on each side of the ship; viz., from right ahead to 2 points abaft the beam on either side.

2. The green light on the starboard side is to be visible at a distance of at least 2 miles in a dark night, with a clear atmosphere; and the lantern is to be so constructed as to show a uniform and unbroken light over an arc of the horizon of 10 points of the compass; viz., from right ahead to 2 points abaft the beam on the starboard side.

3. The red light on the port side is ikewise to be fitted so as to throw its

light the same distance on that side.

4. The side lights are moreover to be fitted with screens on the inboard side, of at least 3 feet long, to prevent

II.

New Regulations,

which come into force on the 1st of

October, 1858.

under steam, shall between sunset and sunrise exhibit the following lights.

1. A bright white light at the fore- Under mast head. steam.

A green light on the starboard side.
A red light on the port side.

2. The masthead light shall be so constructed as to be visible on a dark night, with a clear atmosphere, at a distance of at least 5 miles, and shall show an uniform and unbroken light over an arc of the horizon of 20 points of the compass, and it shall be so fixed as to throw the light 10 points on each side of the ship, viz., from right ahead to 2 points abaft the beam on either side.

3. The green light on the starboard side and the red light on the port side shall be so constructed as to be visible on a dark night, with a clear atmosphere, at a distance of at least 2 miles, and show an uniform and unbroken light over an arc of the horizon of 10 points of the compass, and they shall be so fixed as to throw the light from right ahead to 2 points abaft the beam on the starboard and on the port sides respectively.

4. The side lights are to be fitted with inboard screens, projecting at least 3 feet forward from the light, so

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