Public ledger. [volume] (Memphis, Tenn.) 1865-1893, 1868-11-10
3e UNION STREET,

over, the artillerymen employed In this
unaccustomed duty found that they could
equal in accuracy, and surpass in speed,
anything which they had ever been able
to do when firing through an open en-
brssure. As the trials went on the Sc
verify of the tests was increased, and on
the second day nearly all the practice
was at O target moving in an eblique
line, so as at each moment to alter both
it's distance and its angular position.
Excellent practice was made at this,
and at other times the men behind the
parapet cgot their orders, while loading,
To fire first at one, then at another OF the
targets, which were fixed in different po-
sitions and at different ranges Each
time the shot few as truly as if the pro
tected artillerymen had been standing in
the open, with full view of the object
aimed at and before the close of the
second day, ten seven-inch projectiles
had been sent, according to orders, to the
various targets in less than nineteen
minutes-a speed which it is expected
will yet be surpassed when the men have
become more used TO their work. But q
much more remarkable feat followed
The usual gun detachment of ten men
will hardly be thought too strong force
to handle a weapon weighing, without its
adjuncts, as much as seven tons, and with
them between twenty and thirty; but so
perfect is the balance with the Moncrieif-
mounting, that three men loaded, worked,
laid, and fred the gun with comparative
ease. After two or three rounds the
three .artillerymen managed to reduce the
interval between successive shots to less
than two and half minutes; and as the
gunners would be almost as safe from
casualties with an enemy before them as
at Shoeburyness, it would be possible at
q pinch, with scarcely any loss OF eff
cheney, to keep up the fire of battery
With less than one-third of its proper
complement. Ifthese experiments proved
how smoothly and easily the machine
could be handled, another satisfactorily
showed how hard it would be to put it out
of order. During an interval in firing the
whole apparatus was clogged with sand
and gravel iugeniously shoveled wherever
it was likely to prove most obstructive,
and few seconds broom-work put every
thing TO rights again. The ingenuity of the
Committee was at length exhausted, and
the experiments concluded without hav-
ing a single weak point in the invention.
No serious difficulty need be anticipated
in constructing elevators for guns OF any
weight, and so far as land batteries are
concerned, hole in the ground must
henceforth supercede every other con-
trivance. A rife pit has long been the
n. Co hor
and now that great guns can be handled,
or rather made to handle themselves, as
quickly as a soldier can present a mus
ket, the same method is equally apph.
cable to them. Nor have we even yet
come to the end of the capabilities OF
Captain Moncrieffs happy discovery.
The recoil supplies power enough not
only to move the gun as required, but to
do any other kind of work that may be
asked from it; and when, as is the case
with the larger ordnance, the shot used
is unmanageably heavy, it is intended
to employ the stored-up force OF the re-
coil to raise it to the cannon's mouth.
Other new developments will be wanted,
and doubtless will be found, to meet the
various special conditions under which
guns may be used by land or sea, and al
ready we hear suggestions that the Mon
Grief elevator may surpass the turret on
board ships as completely as the turret
eclipses the broadside armament. More
experiments will be needed before any
such results can be attained, but the in.
yention contains so vast an element of
power that it would be difficult at present
to saw where it will stop 1t has already
done two great things. 1t has abolished
forts, and it has, after a long struggle,
conquered an amount of stolid official
resistance which would have done credit
even to the Board of Admiralty.