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- Жюль Верн
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- Путешествие на Луну
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- Стр. 30/99
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"
Perfectly
correct
,
"
said
Morgan
;
"
but
before
deciding
the
quantity
of
powder
necessary
to
give
the
impulse
,
I
think
it
would
be
as
well
--
--
"
"
We
shall
have
to
employ
a
large-grained
powder
,
"
continued
the
major
;
"
its
combustion
is
more
rapid
than
that
of
the
small
.
"
"
No
doubt
about
that
,
"
replied
Morgan
;
"
but
it
is
very
destructive
,
and
ends
by
enlarging
the
bore
of
the
pieces
.
"
"
Granted
;
but
that
which
is
injurious
to
a
gun
destined
to
perform
long
service
is
not
so
to
our
Columbiad
.
We
shall
run
no
danger
of
an
explosion
;
and
it
is
necessary
that
our
powder
should
take
fire
instantaneously
in
order
that
its
mechanical
effect
may
be
complete
.
"
"
We
must
have
,
"
said
Maston
,
"
several
touch-holes
,
so
as
to
fire
it
at
different
points
at
the
same
time
.
"
"
Certainly
,
"
replied
Elphinstone
;
"
but
that
will
render
the
working
of
the
piece
more
difficult
.
I
return
then
to
my
large-grained
powder
,
which
removes
those
difficulties
.
In
his
Columbiad
charges
Rodman
employed
a
powder
as
large
as
chestnuts
,
made
of
willow
charcoal
,
simply
dried
in
cast
-
iron
pans
.
This
powder
was
hard
and
glittering
,
left
no
trace
upon
the
hand
,
contained
hydrogen
and
oxygen
in
large
proportion
,
took
fire
instantaneously
,
and
,
though
very
destructive
,
did
not
sensibly
injure
the
mouth-piece
.
"
Up
to
this
point
Barbicane
had
kept
aloof
from
the
discussion
;
he
left
the
others
to
speak
while
he
himself
listened
;
he
had
evidently
got
an
idea
.
He
now
simply
said
,
"
Well
,
my
friends
,
what
quantity
of
powder
do
you
propose
?
"
The
three
members
looked
at
one
another
.
"
Two
hundred
thousand
pounds
.
"
at
last
said
Morgan
.
