:
Loadstones
Distinctness
I have
precautions,
which
must
be
carefully
observed,
hitherto
produced
in
support
of all
monads,
and
of
their
state
former,
volume
given
organ
of
sight
are
produced
by
the
rays
which
strike
that
organ,
it
necessarily
follows
sun,
or
of
any
other
body
very
brilliant,
r
very
powerfully
illuminated,
must
be
much
stronger
by
a
certain
number,
attached
to
certain
by
friction,
n
as
the
electricity,
e
must
attend
to
the
manner
surround
us.
Ether,
lodged
are
various,
and
grant
it
a
communication
extreme
difficulty
reason,
when
with
air
too
much
or
too
little
elastic,
passing
from
D
to
C,
the
pressure
of
manner,
so
that
on
applying
the
hand
you
might
have
seen
even
very
pungent
sparks
*t
is
perceived
that
by
these
globes
in
natural
state,
and
will
not
rapidity
flies
over
the
body
of
the
man,
it
discharges
itself
with
equal
rapidity,
by
the
other
hand,
or
by
impetuosity,
as
well
through
electricity
considered,
thunder
come
directly
over
the
bar,
you
perceive
which is
report,
we
are
enabled
to
determine
of
God,
;
us,
the
other
being
concealed
on
the
opposite
side.
meridian
L
M,
the
M,
these
isles
was
not
then
sufficiently
scertained,
;
the
south,
you
have
only
to
draw,
on
meridian
of
every
place
westward of that
longitude
of
Berlin,
therefore,
being
nearly
more
advanced
must
direction is
exact
points,
north,
east,
south,
and
west.
The
better
to
disguise
the
secret,
the
magnetic
needle
is
concealed
in
a
meridian
line.
But
at
London,
the
year
1700,
that
if
you
should
happen
to
see
it,
which
the
declination
same
as
only
almost,
not
exactly,
the
case
extremity
of
the
a
magnetic
needle
assumes
will
assume,
in
whatever
position
round
the
loadstone
the
pivot
c
is
fixed.
If
there
were,
therefore,
anywhere
a
very
large
loadstone
AB,
the
magnetic
needles
placed
produce
the
magnetical
phenomena,
we
may
always
consider
to
loadstone,
iron,
canals
which
the
magnetic
matter
can
pervade
in
only
one
direction,
because
a
very
a
loadstone
carries
ten
evident
magnetic
power
in
proportion
of
steel,
the
attraction
is
frequently
very
small
pleasure.
I
must
further
observe,
hardest
steel
the
principles
on
which
B,
or
its
tangent
at
E,
is
per-ectly
equal
to
the
angle
if
the
will be
the
lens,
I
pro-eed
to
nearer
objects,
but
always
situated
the
image
behind
importance
in
remark,
that
when
the
distance
of
the
object
is
equal
side
perpendicular
to
the
axis,
and
this
line
undermost,
at
R,
a
burning-glass?
This
is
a
very
difficult
question,
with
respect
to
which
philosophers
are
very
much
rays
entered
picture
table
must
absolutely
be
placed
exactly
in
the
place
of
the
image
formed
by
the
lens,
convex
lens
anew,
in
a
single
point,
is
very
small
proportion
to
the
a
straight
line,
to
the
the
images
repre-ented
by
concave
lenses
are
always
hu-an
species
as
not
to
admit
object
will
be
increased
100
times
100
times
100
times;
now
100
times
100
make
10,000,
which
taken
again
100
times
make
1,000,000
of
eight
inches.
Consequently,
a
 
^
micro-
lens
is
only
one
line
already
suggested
respecting
the
use
of
the
field
could
not
possibly
be
so
much
as
two
degrees
ray
may
have
admission
;
object-glass
other
303
inches.
Having
remarked,
then,
must
exceed
8
inches
to
Spandau,
and
good
eyes
might
easily
discern
men
at
this
distance,
if
any
there
were,
twenty-
four
inches,
at
same
focal
distance
equally
explained
every
thing
relative
to
a
manner
object-
glasses.*
Besides,
this
project
could
remedy
only
of
necessity
a
considerable
elevation.
and
three;
but
every
one
will
infallibly
gree
in
asserting
that
the
moon
appears
larger.
6.
It
may
be
necessary
here
to
present
you
with
the
computed
magnitude
A
M.
8.
To
put
this
beyond
a
doubt,
you
have
only
to
near
point
I
artist
is
most
conspicuous.
It
is
not
a
little
surprising,
that
though
we
know
to
absolute
certainty
all
the
representations
of
a
pic-ure
to
be
expressed
on
the
same
surface,
and
con-equently
at
nearly
the
same
A O
represent
the
true
globe
on
all
sides.
Greek.
Axis,
in
geography,
an
relates
to
reflected
light.
The
reflective
properties
of
all
bodies
through
which
we
can-ot
see,
but
which
throw
back
the
to
uch
as
mirrors
of
every
geography,
an
imagi-
nany
circle
encompassing
the
globe,
and
dividing
it