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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0515
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Cxample 2.
ThCZOF Lat. 2077 S. ISFO18E57
aotich added 10 45, mate 550 8 15
Wwhole Tangene 15. .
2FaF. 18 53I, is 9 261 2; which
added 20 45, makes 54 261 5, 116  14573
Tangenr 15. . ..
1263) 3038577 (2397 = Mer. DiPP. L. aE.
50260
1166.
.The Laritudes and Disseretar  Longitudes o
ruo Places civen, T0 find the Course al 
stance betmeen them.
For che Course, (2Y,
AS Ner. DIR. LaL.: Kact.:: DiF. LOnS.: T. Course
L 23 m 35:: 3255mIn. : Y. 53016
Operation by ehe Loxarichms.
plemene oL e LoB. Mer. (2429 - 6.614573
Add The L0G. OF thCDIA. L OnS. 3255 - 3,512551
Sum ische P. Of che C ousse, 53, 16 - 10. 127124
By Cunrer s Scale.
THC EXtenE FrOm 2429 (On he Line OF Num-
10. ... 3255C berS,
Will reach From L. 450005 On the Line oE
totheT. OE che
53 163. TangenES.
For che Distance, Cay,
Adrrir ihe Course and Distance Beceeche Aorhe Codine osche Courte: Rad.:: D. L.: Dict.
Lyzara, in Latiende 50 τ0NI. and Ameco i
Latimude 170 25 NV. Wrhole Ditterence Ot LOn
Sicude is 54 15I V. De required.
From50 20
Antesoh
AObL
5. 36 44: 5. 90001 :: 1965 : 3285.
Operation by the Losarithms.
T0 che Arichmerical Com- 2
Plement OF ihe C0. S. (36 44-- - 0. 22323
Courle.
Add chC L08. OF the Dif. L, ac. 1965. -= 3. 29336
151 ) Sumis che L0B. OC che Distance, 3285 - 3. 51655
By Cunters Scale.
ThC Laleh HOIL d. 36 412 On ihe Line ol
tolc.... . 5. 90 00 5 Sines.
Reaches trom = 5. 1965 = C On ihe Line OF
10. . . . . 1965 = TTumbers.
P R OBL F M NV.
4. The Laritude and Course siven, the Distance
difference es Lonsitude, and Departure, re-
Fxample.
Sailins trom he L)Zara, L at. 50 x0I VI. anet
the Course beins 53 16 S. westerly, (Varia
tion and Leerrard-var, (50. allon d FOr) Or
S. NV. =W. near; and finding by Obserration
che Strip eo be in Laticude 17 25) North:
WVhacS The Distance run, Departure, and Disse
rence os Lonsirude:
From 500 τ01 HV. 7
Subst. 27 25 N. 5
5 Fyzard
A. 3 obleroa Z WT S
Rem. 32 45 =F965 = DIELAE. ML. DIF. LL.2429
Distance, Wotrac.
Asthe Sine os the Course: Rad:: Dit. L ac: Dist.
abd 36 44 : 5. 90 001: : 1965: 3285.
100
PRODLEM HI
4G
1965 = DIHF. LdE.
2429 =
te
CMerid. DIH. Lat
DiA. LonBL.  54
Fo chc Arirtmetical Com- 7
(= 5L3 MIleS H.
Sedmetricaus.
Dif. LaF.
Dram che Meridian C A, which matie equa
10 2429, the Merid. Diff. Lat. Frect che Pel-
Penucular A B, Which lec be equal ro che Diss
et Consit. 3255; dram C B; make C D equa
2o che proxer Diss. of Lat. 1965; and ereet che
Course. ...
Perpendicular DF.
quired.
In
EF
ole
ABC
Inthe.
Fria
C= Course
red ZLB = Compl. Courle
en
equi
d =PFOPEFDIH. L aF. = 196
and LC = Courlc.
CF = Dist. OE che Places.
=242
II. = 325
C
Departure