DEPARTMENT OF COMMERCE
U. S$. COAST AND GEODETIC SURVEY
Fo
665
C,
_Sph.
excess
Ph. excess
CS
>
2 ©
'
Tay
ok pe
[up
yg
Log sin C,
1
log a
Log
ou
ak
90°—-4C, -4(Ap4 B,.
4 (A,-—-&,)
/
>
Sum:=.4,
Diff = 8,
C,
“
’
luo
Lave
.
Ye
La ye i Pld
,
oe
h
ref
2.240
:
.
Log sin ©,
FG 6672
*
Log sph. ex.
693
sph. excess
Cte S
3
ah
a
mss
oN
SO
wow
¢,
a. ya?
Cit
a
.
«
e
~
a
s,
¢
BTA TION
ae
Space ot
EPHRRICAG
:
j
8
Doe ois otye
o> fpta.sr¥ geo)
a
epee
Nol-
ae
oe
og
.
as
ge
FLGRM
CHECK
COMPUTATION”
a = @&ge.,73 7" SS
To
_
“he
;
No.
Log &
pee
Sieteb:
h..
Colog sin Ap 0 397
Log c
woe
2/4 yd
‘
Aaoweas
Log a
;
“
PG
+
Log m
pk
.
cae
~~
; Reproduced-fi
Bac ific Southwest Reg (On
e
s
the holdings of the Nat iona I Archives
Ed. Dee, 1029
i, ‘ewepical
——
o
”
es
ee
PLANEANGUE
LOGARITHM
soepam ERNERENEENe SERaE a ahh
1
2-3
ro
come etomna omen tte stupponnaem sme,
|
at
NONE
co
a
7)
es
a
A
| for tee line Aomor
.
“
’
3
Povtto
ota
t
* f
. *
t
‘
|
Z
pS
3
*
.
oer
“7
'
- fomorn ler
1
*\
nt
1-3
Aone
1-2 ZERO Towtg
4
ee
tos Fol
:
ws ger
lo
a!
o
os
339
4YbbS
oO
jo
64%
19 G06
Sars
2 74a
FOS
boa ma
Graf
&G7TF
4
_ F+%
‘
3308
|
i
w7nd
en uld have jeer mia
s2truth of the .ome gomon:
.
a
;
fi
ne
|
iL.
Cre" aOS
i
"
1
‘ ,
x
i
en
elles i
~
L
:
|
.
*The subscripte » and p on
6, GOVERNMENT PRINTING OFFICE
,
Soma.
ro
-
<8
ag
oy.
. “,
Phot
i.
read.
temM
Pas.
Soe
areafley rather ‘nap
aa! ' traccve:,
Tae correct 4: 4ru..
'freroke wine Aomar sar
ia
2-3 a “
SO
.
Grafilr
| >
I
7
| Tne avimuth shown om. this page
1-3
1-2
"
iABs
‘
_
aeA
te
co, _4__
ns rong oS tatron
;
Z
{
a
é
.
*
a.
pew
TOS: zy
gle angles respectively
Page
.
189 _
>
"
tig
a
aFo
f fey
yt aig
“
&
or
BRE
ey
<e
.