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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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HTorizon OE London, and Z WI, che Prime Verrical ) are jassed, (o char chiey carinor be dravn out again
Circle.
2. Sexthe Flerarion oF che Pole == 5L Degrees
30 Minures, trom R2 co NY; so is N che North Pole
oE the Worla: And drains HSchro che Centre
ic will be che AXis, and Sthe Souch Pole.
3. Crols N S wich anocher Diameter a Rietio
Angles, and char ill De P. O, che Equinoctial.
A. Then Because ihe Time Trom Noon is 2
FTours, or 30 Dcerces, and chac all FTour Circles
Pals chro che Poles, and make Angles wich cheMte-
ridian; make an Ansle aF N, oF 30 Degrees, by
Prop. 15. Case 2. Wtrich ill beche Spherick Ansle
ENO.
5. And since the Arimuth is 137 DegreeS 17
Minutes, From che Norch, subduct chac our OF 180,
and chere will remain 42 Dcorces, 13 Minures, che
Suns Aximurh trom che Souch; and because alt
aximuhs, or Verrical Circles, pals chro Z chce
nih; make an Augle wwith che Primitire 2t Z, ol
42 Deorees, 13 Minutes, (By Prop. 19. C asc 2.) and
(0 rill zour Prianole be Scereosraphically project
cd, and che Realon os che Thins made plain and
entie.
Fdoric sive Instances os che Analemma, or ot
rhe sereral ereoeraphick Projections on chePlains
oE rhetlorizon, Equaror, Meridian, Coc. becaule
rou ill sind chem in cheir prover Places under
Those Vrords.
SPFIERLCAT. Numbers. Sec Circular Numbers.
SPFTEROID, is a Tolid Figure made by che R0
cation oF a Semi-Fllipsis about ies Aris; and is al
ays equal t0 2 oF its circumlcribins Cplinder.
Archim. de Conoid. (5 Spheroid. 18. (0 25. 2.
SPHINC LEK, is a Muscle thac contracts the
Culler, nus, Bladder, (90.
SPFIHOTER ani, is a large, chick, Aetty
Muscle encompatins che inus: les Fisure and se
ries oF Fibres Externally, immediarelr under che
Skin, incline 10 an Oblons Oval: Ie is connected
Forward, 10 the Accelerator Vrinae; bachwards
coche OsCoceysis; ies Fibres are Circular FOr near
qivo Inches in breadch; ic is much larger in Mem
chan in ocher Animals, in wohom by reason ot the
ereet Polition oF the Body, therc is greater Force
required to retainthe Faeces, which is the OHice Ol
this Muscle.
SPTANOTEM Outa. Sec Oesophacens Gula.
SPTHNCTER Vagina, is a Mulcle lyins imme.
diarels underche Cliroris, encompasine che Vasi
na rith circular Fibres 3 Fingers in breadth: In
Tome Subjects (laith MIL. Compor) ic scarce appear-
eth Aestr. Whien chis Muscle acts, ir nOE OnY
Sraiens che Vasina, buc hereby allo ic hinders chie
Blood in ils return From the Plexus retiformis of the
Pudendum, by comprestins lome ot its Veins chae
pass underneath, by which means che Labia be
come distended; and ihe Varina contracted.
SPFTINOTER Pesice is a Mulcle seared in the
upper pare ot the Neck of che Bladder, immedi
acely abore the Glandulae Prostatae; Whole COMEra-
ction hinders che Involumars Pxrels oF che
Vrinc.
SPtCMlCA, 15 chat parE O lase Woe
Erears oF PuIses. Blanchard.
SPTKES, or 15 the Ceamen calchem Speckes, are
large lons Tron Nails wich Aac Feads; cher are ot
Thes are uled eo fatten che Plants and Timbers.
Ther call also a kind oF (nall Fiad, wtrich serves
ehem eo open and lplice small Ropes, 2 Marline
Spitie.
SPIRINC up the Ordnance, is Fastnine a coin
Ox Duoin wich. Spitres to he Deck, close ro rhe
Brecch of che Cartiages oF che Creat Cuns, thac
xher may Keep close and sirm eo the Strip- sides
and noc break loose when che strip Rolls, and by
chacmeans endanser the breakins out olche BuI
head ot a Planke.
SPINA Dorsi, are che hinder Prominences ot the
Vertebrae.
Bones are eacen by a malignane Elumour, wichoue
any pain ot che Periostium, or Mlembrane chac
coversche Bone: Acrer thac, a Svelling beine risen
withour any Pain, the Pare affecte d is quire caren
ont wich che VIcer, From whence Frequencly fol
lors a necessier ot amputarion.
SPINALIS Colli, is a Muscle (0 called, because
ie accompanies che Spines oF che Neck; il ariles
trom che sre Superior Transverse Processes oF rhe
Vercebrae oF the Thorax, and Inferior ot ihe Neck
and in irs Ascent becomes more AeMy, and is (o in
Terred larsels inco che Inferior Parr OF che Vertebrae
OF the Neck laterallr, (50. These dran che Ver-
tebrae oF che Neck directly backvards.
SPINALIS Medulla. Sec Medulla Spinalis.
SPTNDLU, is che smallest part oF a Stips CaP
Ran erhich is berwixe che rvo Decks, The spin-
ale oF the feer Capstan hath WVhelps to teave che
Viol, AIIOthe Axis oF che WWheet oF 2 WVacch OP
Clock is called the spindle, and ies Ends che Pe
vet S.
SPINE, ihe Back. Bone, or lone, jointed chine.
Bone chat soes dovon the Back.
SPIHSFEK, a Term in LaW, beins an aacitIO
ulually siven ro all unmarried Womem, trom che
A in che rishie Line B A, l0 as Mac che Point de
seribes char Line, While the line generaces rhe esir
ele. Then ill che Point ichirs cruo Morions de
Teribe rhe curre Line B, 1, 2, 3, 4, 5, Cdc.
divers lenects, (ome a Fot or rvo lons, aud lomiel hals var alone B A Wohen chat. Line Mall hare lor.
N
SPINA Ventosa, is an Vlcerarion, in wtich cte
Vilcounes Baustirer donnvara.
SPTRAL Line, in Geomeur, is accordins ra
Archimedes chussenerated.
IF a righe Line as A B, having one enc
Axd ac B, be equally mored round, (0 a5
with u Olter end B, 20 describe che Periphery ot
a Cirele; and aE the lame eime a Poine De con-
cerred to more tormard equallr trom B torards
which is called an Frelix or Spirat Line; and chie
plarie Space concained berween chis Spiral Line
and hC Rist Line B A, is called ile spirat
Space
I also rou conceire rhe Point B co move u
25 Aow 25the Linc aB, (0 25 chac ic MaIl ser buE