1300
THEORY AND PRACTICE OF ENGINEERING.
Book II.
6®S .
cj
<0 X
X
40
h-
I-
—> Ol
X
*0
X
c;
— ir.
X
c
X
X 04
—
X
04
’F
X
Ci
04
X
c>
d
04
v- U
c o X
—
j£
X
C4 t-
X
X
-
X
40
X
o
X
-r. * SJ
rt
*2
C:
— X
to
4-
p*
*i
X
04
o
5
X
Cl 04
<0
X
CJ
40
o
X
Cl
rH 04
04
04
K
a
04
04
04
04
i*.2 •
40
»o
04
»o
•0
X
— X
X
X
O
04
X
—
r-
an
o
i'So
tO
X
04
to
r-
t’ ~Tf 04
40
of
c
04
C5
X
X
8
F"
40
C4
X
6 «o
04 o
X
X
X
04
° s*
J3
O
04 •*
40
X
s
04
CJ
n-
X
X
X
r~
jJ
tO
—
l—
CJ
40
04
04
40
«*.2 .
x
X **
4.0
04
40
-s*
04
40 40
Cl
—
40
X
X
40
4-
r~
X
•F
40 "T
<9
04
»o
X
C4
X
X -*
C4
04
9
04
X
X
J.
-
2
_
40 O
X
o
40
X
«
04
O C4 1-*
40
rt
—i
—
-H
a;
cT
'S'
r- O
04
40
CJ
cT
X
r-
*3-5
2?
a
—* *■*
04
04
—
04
04
04
6C.S .
V5
X C4
40
O
r-
40
C>
X
X
v>
o
ri
X
r-
04
Cl X
t-
40
X
r-
0«
I-
<T)
X
X
CJ
I'-
X
3■£ =
X
X
~
l-
X
40
04
40
—
o
X
40
04
40
C.
O
X
—
to
'T
—
O
'S*
r- j-
X
r-
X
n
X
40
X
r—
X
40
X
r~
C4
X
C4
X
X
X
X
r-
40
X
t'-
T
04
O
04
'S'
o
r-
04
X
tO
X
04
X
V. o
-S
04
Cl X
04
X
,22
40
X
04
40
rs
*s*
X
02
'S'
to
40
r-
X
X
a-> 40
X
04
40
X
40
04
O
to
to
'S*
X
04
CJ
“
X
to X
_
X
c
“
X
04
40
X
CJ
Cl
r-
04
04
to
CJ
“
04
X
r-
to
ll'=
a
04
04
S5
a
04
04
04
X
04
04
S
04
04
X
X
tc .5 .
X
04 X
40
05
O
r>
X
04
X
f-
X
n-
X
04
o
40
'S'
X
X
»o
a)
>o
X
1—
X
X
t-
X
Ci
O
CT)
X
r~
tF
cf o
40
40
X
40
op
40 o"
rj*
X
O
40
Q
X
of
or
d
of
X
cj
rr
—' ©
X
t'-
«
o
r~
■o-
04
O
9
9
•—
O
9
'T
«
■<r
X
>o
04
04
«- a
J3
_r
■*
04 ^
o
Cl
X
+£
04
oj
40
04
X
02
to
X
04
to
X
££ §
65
♦5
oi 's*
Cl
X
C5
r-
X
X
C4
IS
X
04
X
a
IS
•ji
X
—
X
to
CJ
04
v t*
04
04
X
_ !
S*
X
40
X
_
X
X
04
X
CJ
X
2$ s
a
04
25
a
04
04
04
X
K
04
04
25
a
04
04
04
X
^ r-
•#
04
04
Tt>
V
04
40
X
X
X
X
x -s*
O
04
04
04
X
~
Cl
04
r-
CJ
X
o
t>
*r
i-
« 6C 3
O 00
d o
X
40
40
X
X
X
'j'
*o
X
X
x7
of
'S'
04
X
d
X
X
X
X
— 04
X
X
04
40
X
O
9
9
X
9
X
04
r-~
X
X
X
d
04
_•“
»r
°S~
.22
j£
«n
40 r-
X
ci
*2
»-
X
40
X
X
X
_j3
T
04
r;
X
02
r-
04
4-
X
X
+*
40
X ~
■X
n~
X
04
40
O
X
c.
~T
X
X
r-
X
X
0)
X X
X
d
Cl
CJ
40
n
h-
X
5T
Ol
O'
04
p
CJ
r-
— .
TT
X
—
* 85
£
-< —.
04
n
a
04
04
04
04
22
—
—
04
22
25
—
04
** u
ft 5» a 1
o
04 'S'
40
X
X
04
rt-
40
X-
O
04
40
X
o
04
'S*
40
X
1
Ow J
1-4 —
•—
£ ° o