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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
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Tables oF Mulriplication, che Worte vould be sc
perplex, chac l Will nor here rebeat ir; and there.
Fore it is thonghe berter ro recuce the sirst and chire
Numbers r0 che louest Deriominacion, chac 1s Chese
2o chird Scruples.
Equals he Radius) into 60Dcer. and consequencty
che whole Circumterence into 360 and cact
OF chese Deorces into Minures, Scconds, (9c. by
Chords or Subcenses (in such Parts. Minutes, ane
Seconds) ansiverins che sereral Arches  a Clrcie
Instead of wrtrich, thie Arabs Or Saracens hare s
troducC (do MHOLC LXPecTeHE) EHeM LaMC ot Sines
(Or hate Corus Ot ne double Arch) expressed in
like marinee by sexaselimal PartS.
WMCM thes did iN LILCaLION OL Pcolemy, than
chac cher vere necesiated (o to do, haring che use
oF Numeral Figures as Wre hare, Wrhich Prolem
and ocher ot che Ancienes had nor
Buc Arzachel cherein ditters chus tar trom Pto
lemy. That he divides his Diameter into 360 PaVTS
votrich Prolemy dirides buc into +20, and hachchere
Sixch PatE Ot the Circumterence, Wotiole Ctiore
conrinual Sexagenarr Virision
And consonant hereuneo, de makes his Tableot
Fore lels necd of Subdirisions
141 3
31 F0111 (hac i5, FY 48F.
gire 360 Degrees, (chac 15.
10D, 6 Sexagenes oF Dcorees) chen6D.
14 10 35111 (Thac
26115.35 1111) will sire, hou much
1
Nou, il L vere 10 Won a by elie Sexacesim
1 11 1
12 44 3 10
X 60
42480
A25241 311 10111
60
2551440
255144311 7011
60
133036580
153086590111
And chen che Tr orke will sand chus,
TFF83080590 LHtaS SIre 360 DCDtees 5
Then 32235395 Thirds, sive hou mans De.
erees
Where Mulciplrins ihe third Number by che
second, and dividing by the ArH, I MaIl hare che
Number of Degrees Souche in Incesers, With che
common Fraction annexed; Wwhich beine reduces
e0 Sexaselimals, Will sive che ansiver in Deorees,
Minures, Scconds, (5c. Or I mistr hare reduced che
360 Dcorees into Thirds also, (Wrhich must hare
Been done, it ro these Degrees chere had been an-
nexed hrst, second, and chird Minures) and then
the Ansiver had been in third Minures; and chese
eo be reducedro Deorees, Minuces, (90.
Which Operation, tho it be rroublesom enoust
is ver more expedire, than by che Sexagesimal
Mulciplication and Dirision, since che cime chai
ve hrare learned, (by help oc che Numerical Fi
Sures) tomanase great Numbers, wrhichin Piolemys
time ivere nor in ule
and in like mannee, wohatever ocher come 10 be
10 Mulciplicd.
Accordins co ehis Sexagesimal Method, Prolems
dirides chekadius or Semidiameter oF a Cirele into
60 Parrs, (and consequenly, che Whole Diamerer
into +20) and cach of chose Parrs into 60 Minures,
and each of thole into 60 Scconds, and (0 Formard,
25 Far 2s occation reguires. And accordingly, the
L Lea s MC AMCteheS aid hus reduce
cheir ordinary Fractions allro one kind ot Denomi.
nation, ras, to aroid the rrouble wrhich voute
arile trom chedisserent Denominarion ot Fractions
wrhich (wten cher had noc che helpschac non ve
have) vould be very srear; and cheretore chose re
admie oF Approximations, mans rimes, instead ot
ACCUTaLC LGatCICS.
AIet Wrhy cher chole che Number 60, rartier
than any orher Number, Was, because il cher hac
made ute of 12, Or such ocher smallVumber, the
vould be puc uxon a necessier of the more Subdi
visions, and a Number much GreateF Than cIS
thes could noc ell manase; (there beins, ever
in this, rrouble, enonsh) And ot Numbers abou
this bisnels, this was choushue most conveniene, as
being most capable ot exact Dirisions, Wwithour be
ing put ro rhe necessier of Approximations or Sub.
dirisions; admittins, for Divilors, the six tiest Num
berS, 1, 2, 3, 4, 5, 6, (which sione lels ctian il
can d0) and as mans more antiverins re ce s
2, 25, 20, 30, 60, (chat is, Tvelve in 2II) rHere
being no Number lelsthan ic, admirrins ot IOMMa-
ny DirisOrS; nOr Can anY, Greater than it, admiE
ot more, WvtCh IS nOL ac seaLE EVICC aS GreAE.
trhich cannoc be laid again ot ani grearer Number.
rill ve come 10 360. And chis is thar erhich is
made the Number oF Degrees in che Whole Cir-
cle.
And ehis Dirision oF Integers into Sexagelms
(Minures, Seconds, Thiras, (OC.) especially in che
Parrs ot Arches, Anples, Time, and Morion; the
rabs have recained, in imitation of the Greeks (Ox
Ferprians) and ve trom chem, even ro chis
Dar. Walliss AlSebra, Chap. VII.
SEZAHOLE, in Geomerer, is a Figure consst-
ins oF siX AngleS.
SEX TANS, is the SiIxCh PaTE OF any chins, ThuS:
There is an Astronomical Instrument called a Sex-
eant, asbeing che sth parr ot a Circle. Thishart
2 graduared Limib, and is uled litre a Oua-
deane.
SFZTILE, the Position or Aspect oF the Pla-
nets, When ac 60 Degrees distant, or ac the distance
ot cvo sions trom one anocher; and is mariced
CHUS, 
StLLLCMLLLS, advat d MMP, ale Thole oblone
Tron Rings, and Bigger at one end chan at ehe orter.
Wwith wrhich che Porrs are But Fast, by chrustinq
the Nooden Bar of rhe Porr Throushthem. There
are al(o a TOrE oF Strackles ro lite che FTarcheS UP
Wwich, oF che Former Figure, bur Cmaller; ther are
Arch antverins 10 such a Choid; schac is, che Fattened ac the Corners ot che Llacches.
BFLAL LCE
100 44 3II 101I11
149 14 16315
8954 1611 351
33725611 35113
322353