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The
vse
of
the
two
Mathematicall
the
mariners
:
)
And
the
Iacobs
Staffe
:
Set
Set
forth
by
Th.
Hood
.
mathematicall
The
Staues
are
to
be
sold
in
Marke
lane
,
at
the
house
of
Bella
Stella
Bella
Stella
from
the
rysing
of
the
Sunne
,
vntill
he
be
raysed
45.
degrees
aboue
the
Horizon
,
his
eleuation
must
be
taken
in
the
Transame
.
after
that
he
is
45.
degrees
aboue
the
Horizon
,
his
eleuation
must
be
taken
in
the
Yard
.
They
must
be
ioyned
together
squire
wise
,
at
right
angles
.
to
see
how
to
set
the
Transame
,
and
the
yard
iust
vppon
his
place
.
The
end
whereat
your
two
Sockets
close
together
,
be
next
vnto
your
sight
.
When
the
Transame
standeth
on
the
right
hand
of
the
Yard
,
let
the
Vane
bend
toward
the
left
hand
:
and
contrariwise
,
when
the
Transame
standeth
on
the
lefte
hand
of
the
Yard
,
let
the
vane
bend
toward
the
right
hand
.
Balla
stella
whether
you
apply
it
vnto
your
eye
,
or
whether
you
holde
it
in
your
hand
,
the
Transame
must
be
alwaies
perpendicular
vnto
the
Horizon
,
and
the
yarde
leuell
vnto
the
same
.
Bella
stella
Put
the
Yard
into
his
socket
,
so
that
the
notch
may
stand
iust
vpon
the
45.
degree
.
Then
put
the
Transame
into
his
socket
in
like
manner
,
that
the
notch
may
be
vpon
the
45.
degree
.
Keepe
the
degrees
of
the
Yard
vpward
,
and
let
the
degrees
of
the
Transame
be
toward
you
,
so
shall
you
be
the
lesse
deceiued
.
the
edge
of
the
Vane
must
be
placed
iust
with
the
highest
degree
of
the
Transame
.
you
must
know
whether
the
Sunne
bee
more
or
lesse
then
45.
degrees
aboue
the
Horizon
.
If
the
shadow
of
the
Transame
from
the
toppe
of
the
Vane
downward
be
longer
then
the
yard
,
it
is
a
most
certaine
signe
that
the
Sunne
is
under
45.
degrees
high
.
If
it
be
shorter
,
the
Sunne
is
more
then
45.
degrees
high
.
Gen.
32.10
That
with
his
Staffe
he
came
ouer
Iordane
:
One
of
the
two
,
either
the
Yard
or
the
Transame
,
as
occasion
serueth
,
must
be
parallele
vnto
the
thing
measured
,
the
other
must
be
perpendicular
.
Measuring
of
land
Measuring
of
land
that
whether
the
Yard
or
the
Transame
be
applied
vnto
your
sight
,
it
must
stand
close
vnto
the
ball
of
your
cheeke
.
to
winke
with
one
eie
the
distance
of
your
marke
be
not
ouer
great
.
The
fourth
regard
must
be
had
vnto
your
hands
that
they
be
steddy
.
to
take
heede
vnto
the
place
wherein
you
make
your
station
.
1.
The
setting
of
the
Saffe
at
the
ball
of
the
eye
:
2.
The
wincking
with
one
eie
:
3.
A
reasonable
distance
:
4.
A
steddy
hand
:
5.
The
certaine
place
of
your
standing
.
as
the
partes
of
the
Transame
cutte
off
by
the
Yard
,
are
vnto
the
parts
of
the
Yard
cut
off
by
the
Transame
:
As
the
parts
of
the
yard
cut
off
by
the
Transame
,
are
vnto
the
parts
of
the
Transame
cut
off
by
the
yard
,
so
is
the
assigned
measure
which
is
giuen
you
,
vnto
the
measure
of
the
thing
sought
for
.
the
making
of
your
stations
,
that
they
be
both
of
them
in
a
right
line
with
the
thing
to
the
which
you
leuell
your
staffe
,
whether
you
go
forward
or
backward
.
if
three
pointes
be
in
one
leuell
of
the
eye
,
those
three
pointes
are
in
one
right
line
.
that
your
eye
be
no
higher
at
the
one
station
then
it
is
at
the
other
.
that
the
distuance
betweene
the
two
stations
be
diligently
taken
,
and
that
in
a
right
line
,
so
neare
as
is
possible
:
that
the
yard
should
be
perpendicular
to
the
length
measured
:
The
yard
of
your
Staffe
being
perpendicular
vnto
the
thing
measured
.
If
your
sight
passe
from
the
top
of
the
yard
ouer
the
end
of
the
Transame
to
the
farther
end
of
the
thing
propounded
,
as
the
partes
of
the
yard
cut
off
by
the
Transame
,
shall
be
vnto
the
parts
of
the
Transame
cut
off
by
the
yard
,
so
shall
the
height
of
him
that
measureth
bee
vnto
the
length
of
the
thing
propounded
.
That
the
height
of
the
top
of
the
yard
from
the
ground
,
must
be
certainely
knowen
.
In
equiangle
triangles
,
the
sides
which
containe
the
equall
Angles
are
proportionall
,
and
the
sides
which
are
subtended
vnder
the
equall
Angles
,
are
of
like
proportion
.
That
it
is
no
matter
whether
the
thing
measured
do
lie
in
a
plaine
or
flat
,
or
whether
it
be
in
the
ascention
or
descention
of
an
Hill
,
or
whether
there
be
any
concauity
or
conuexity
betweene
the
ends
of
the
thing
measured
.
The
yard
being
parallele
vnto
the
thing
measured
,
if
your
sight
passe
from
the
beginning
of
the
yard
ouer
the
ende
of
the
Transame
,
then
,
as
the
parts
of
the
Transame
cut
off
by
the
yard
,
are
vnto
the
parts
of
the
yard
cut
off
by
the
Transam
,
so
is
the
height
assigned
vnto
the
length
propounded
to
bee
measured
.
that
you
goe
backeward
in
a
straight
line
:
The
Yard
being
parallele
vnto
the
length
propounded
to
be
measured
,
and
your
eye
at
each
seuerall
station
,
passing
from
the
head
thereof
ouer
the
end
of
the
Transame
,
vnto
something
that
standeth
vpright
,
at
the
farther
end
of
the
distaunce
prounded
:
as
the
difference
of
the
greater
segment
of
your
Transame
shall
be
vnto
the
lesser
segment
:
so
shall
the
length
betweene
the
two
stations
be
vnto
the
distance
propounded
.
the
farther
you
go
backeward
from
your
first
station
,
the
lower
must
the
Transame
sinke
into
his
socket
.
if
the
thing
propounded
to
be
measured
,
doe
stand
leuell
with
your
feete
,
you
must
adde
vnto
the
height
found
out
,
the
height
also
of
your
owne
stature
.
Your
Transame
making
a
right
angle
with
the
height
to
be
measured
:
and
your
sight
passing
from
the
beginning
thereof
to
the
toppe
of
the
height
:
as
the
partes
of
the
Transame
cut
off
by
the
Yard
,
are
to
the
parts
of
the
Yard
cut
off
by
the
Transame
,
so
is
the
length
giuen
vnto
the
height
.
The
Yard
of
your
staffe
being
parallele
vnto
the
side
of
the
thing
,
whose
depth
you
measure
,
and
your
sight
passing
from
the
toppe
thereof
:
as
the
parts
of
the
Transame
cut
off
by
the
Yard
,
are
to
the
parts
of
the
Yard
cut
off
by
the
Transame
,
so
is
the
assigned
length
vnto
the
depth
of
the
thing
.
The
yard
of
your
Staffe
being
perpendicular
vnto
the
thing
measured
as
the
parts
of
the
yard
are
to
the
parts
of
the
Transame
,
so
is
the
assigned
length
vnto
the
height
propounded
to
be
measured
.
The
Yard
being
perpendicular
,
as
it
was
before
vnto
the
height
propounded
,
as
the
parts
of
the
yard
cut
off
by
the
Transame
are
vnto
the
distance
of
the
Vanes
,
so
is
the
whole
height
,
vnto
the
part
thereof
propounded
.
as
the
distance
of
the
two
Vanes
is
vnto
the
remnant
of
the
Transam
downe
vnto
the
yard
,
so
is
the
part
known
vnto
the
remnant
of
the
height
propounded
.
The
Yard
of
your
Staffe
being
perpendicular
to
the
thing
measured
;
as
the
difference
of
the
two
segments
of
the
yard
is
to
the
distance
betweene
the
two
stations
,
so
are
the
partes
of
the
Transame
cut
off
by
the
Yard
to
the
height
propounded
.
9
/
23.
if
you
stand
within
the
ends
of
the
breadth
propounded
,
the
one
end
of
your
Transame
must
be
on
the
one
side
of
the
yard
,
and
the
other
on
the
other
side
.
The
Yard
being
perpendicular
vnto
the
breadth
assigned
,
as
the
parts
of
the
Yard
cut
off
by
the
Transame
are
vnto
the
partes
of
the
Transame
contained
betweene
the
two
ends
,
so
is
the
distance
betweene
your
feete
and
the
thing
measured
,
to
the
breadth
thereof
.
A
B
C.
B
C.
A
C.
B
F.
F
G.
The
Yard
being
perpendicular
vnto
the
thing
measured
,
&
your
sight
passing
by
the
ends
of
the
Transame
(
as
it
is
required
:
)
as
the
difference
of
the
two
segments
of
the
yard
is
vnto
the
distaunce
betweene
the
two
stations
,
so
are
the
parts
of
the
Transame
betweene
the
two
ends
thereof
,
vnto
the
breadth
propounded
:
The
Yard
being
perpendicular
with
the
marke
set
vp
,
and
your
sight
passing
from
the
head
thereof
by
the
end
of
the
Transame
vnto
the
marke
standing
on
the
farther
side
of
the
riuer
,
as
the
parts
of
the
Yard
cut
off
by
the
Transame
,
are
vnto
the
partes
of
the
Transame
cut
off
by
the
Yarde
:
so
is
the
distaunce
betweene
your
station
and
the
marke
set
vp
vnto
the
distaunce
betweene
the
sayd
marke
,
and
the
marke
standing
vppon
the
further
side
of
the
riuer
.