A Lecture, Or Essay On the most efficacious means of Preserving The Lives Of Shipwrecked Sailors And The Shipwreck
Forfatter: George William Manby
År: 1813
Forlag: William Clowes
Sted: London
Sider: 39
UDK: 627.9
Delivered at Brighton, for the benefit of the Sussex County Hospital, on the 23rd of October, 1813
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Or
nicate with the gunpowder in the ball, for bursting it, and inflaming
the stars at the height of 300 yards. On its explosion the stars
spread a brilliant light, during a space of time sufficient for gaining a
clear view of the object, and afforded leisure for a frame with two
upright sticks (painted white, to render them the more discernible in
the dark) to be placed in exact line with the vessel, by which the aim
of the mortar on being brought behind the frame can be directed with
accuracy. A shell affixed to the rope, having holes in it to receive
fuzes, is filled with the fiercest and most glaring composition, which,
when inflamed, at the discharge displays so splendid an illumination of
the rope, that its flight cannot be mistaken, and the crew are able to
secure it, and to see on which part of the rigging it falls.