The Sun.
London, England, 1861-04-12 00:00:00

THE NAVY.

We are requested to give publicity to the sub-
joined notification :—" A Cabinet having been sum-
moned for to-morrow (12th instant), the Duke of
Somerset's levee is unavoidably postponed. Those
officers whose names were on the list for that day
the Duke of Somerset will be happy to receive on
the 2d of May next."

The 17 screw steam sloop Zebra, recently fitted
with engines of 200 horse-power by Messrs. Hum-
phreys and Tennant, yesterday went down the
river from Woolwich, in charge of theofficers of the
steam reserve on an engineer's trial, which was
highly satisfactory.
The iron screw transport the Megvera, 6, Com-
mander H. S. Henderson, from Gibraltar April 5,
arrived in Plymouth Sound' on Wednesday after-
noon, and went immediately into Hamoaze. She
brought the 4th and sth batteries of the sth Bri-
gade of Royal Artillery, under command of Col. A.
A., Shuttleworth. They were appointed to be
landed yesterday afternoon by the steam tugs
Zephyr and Confiance, and will shortly take up the
quarters in Plymouth citadel to be vacated on

Monday next,. at 5 o'clock in the morning, by the
3d Brigade of Royal Artillery, commanded by Col.
Wright, who will then embark on board the Magwra
for conveyance to Woolwich.
The Rosamond, 6, paddle, better remembered by
her old name of Eclair, in No. 4 dock et Ports-
mouth, is ordered to be fitted up as a floating steam
factory.
The Osborne, paddle, Royal yacht, Master Com-
mander George K. Bower, was swung yesterday in
Portsmouth harbour for the adjustment of her com-
passes, prior to her departure, for Madeira.
The Duke of Wellington, 131, screw, in the old
ship basin at Portsmouth, has sent up her lower
yards in her,progress of overhaul and refit, for the
first-class reserve.

The Amelia, gunboat, at Haslar -yard, is receiv-
ing her copper, and is ordered for immediate

launching.
The Glasgow, new frigate, was yesterday undocked
at Portsmouth, and the Duncan, 101, screw, after-
wards placed in the same dock to receive her
three-bladed screw. She will undock again about
the 22d inst.

Messrs. Taylor & Co., of the Britannia Ironworks,
Birkenhead, have commenced the erection of a pair
of their new description of steam travelling-cranes,
with the elevating jibs, on each side of the second
dock at Chatham Dockyard, in which the Achilles,
iron steamer, will be built. The tramway and
supports for the cranes extend the entire length of
the dock—a distance of 330 feet, the works being
of the most substantial character. The tramways
rest on double rows of supports of great strength, the
cranes being required for lifting the immense beams
and slabs of iron used in the construction of the new
steamer. A considerable portion of the new ma-
chinery which will be used in preparing the iron
work for the Achilles has arrived at the dockyard,
and as soon as the workshops and sheds have been
completed will be fixed in its place. During the
last few days a powerful planing machine for plan-
ing and preparing the large slabs of metal has been
received at Chatham Dockyard, from the firm of
Messrs. Collier, of Salford, the manufacturers. Two
of Whitworth's punching and shearing machines
have also arrived at the dockyard from the Govern-
ment factory at Woolwich.
Yesterday afternoon steam was got up onboard the
two floating batteries JE tn a, 16, and the Thunderbolt,
16, in Chatham harbour, for the purpose of testing
the machinery and screw, which were found to
work satisfactorily in both vessels. The batteries
will remain at Chatham a few days longer for the
purpose of shipping the remainder of their stores.
The water tanks for the /Etna have been shipped
on board that vessel, and those for the Thunderbolt

will be put on board immediately. Yesterday the
Thunderbolt continued shipping the gun gear and
other materiel from the Gun• wharf.
The screw frigate Undaunted, 51, '6OO horse
power, has arrived at Sheerness from the Victoria