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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 806933011:0697
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axainst the ocher etiar hach Fneroached, cherebs j and Air, and (o are propasared every ay in srait
to rectisie cheir Bounds. Pnd chis is a kins ot Zu
sticies, and mas be remored by a Pone, out oF the
Conney cothe Common Bench. By che Civilians
it is called Fudicium finium Recundorum.
kA LIONAL Duanciries. Any Ouancier beine
Propoled, (For Which e mar alvars pur 1.) and
irhich Fuclid (B00k 10.) calls Rational, there may
be Insinite orhers which are Commensurable, OE In.
commensurable ro ic; and char cither simple, Ox in
Pover. Nor, all such as are Commensurable any
how coche siren Ouantier, He calIS Rational Duan
rities, and all ehe orhers Trrational.
RATLINES, (Or 25 the Seamen callthem; Rat
elings) are those Lines which make che Ladder
Sreps, to ser up che Shrouds and Purocks; chere.
Fore cher are called che Rarlines oF the Strrouds.
RAVEIIMI, in Forcilication, is a mait Trian
cular WVork compoled ouly ot ruo Faces, Which
make à Saliane Angle, Wwichour any Flanks. Ic is
generally raised betore the Currains or C ounterscart
and commoniy called a Hals-Moon by che Sol.
diers.
a Ravelin is like the Point oF a Bastion vith
Flanks cuc OH. The reason ot irs beins placed be-
Fore a Curtain, is ro corer che oppolire Flanks ot
the crvo next Bactions. Tis uled al(otO COVer 2
What che Eneincers calI a Ravelin, che Soldiers
Generally calI a TTalf-Moon, Which sce.
RB. Y Common, is a rishe Line drann from cho
Point of che Concourse oF the rvo Oprical Axes
chroueh che Midale oF the righe Linc wrhich pal-
Ceth by che Centre oF the Pupil oFthe Fye.
IEAY Direct, is chac wluch is carried from
Point or che visible Object directY 10 che LYC
elirouph orse and the Caisse Mcarum.
IAX of Incidence, Or Incident Ray, in C atoptrichis
is a righr Line which Falls From lome Poine oF ar
Object upon che Surtace ot che Lookins. Crla (50
Poltimed Meral
LC of Incidence, Or Incident L(1, il Bop
tricks, is the Ray oF Lighe nhich edes in 2 ript
Lines, chroush che Pores ot the Medium.
RAYS Convergent, are those wrhich soing From
dirers Poines of che Object, incline corvards one
and che lame Poine cendins co the Liyc.
RAXS Divergent, are those wtich soins from a
Point oF che visible Object, are disperled, and con-
Bridse or a Care; and tis alvars placed wichour
eheMoat.
ium.
tinualls depart one trom anorher, accordins as chey
are remored trom the bject.
RAXS Parallel, are chole thac kecp an equal
Diltance trom che risible Obieet ro the Fire, Which
is suxpoled ro be infinicels remore trom che Ol-
ject.
RAZANT Line os Desence. Sec Rasant Line of
Defence.
REACH, is che Distance Betveen anY 2 Poinrs
Ot Land, char lie in a righe Line one FrOM AnO-
ThCF.
REALGAL, Or Sendaracha, is red Arsenick.
REAL HTOriZOn. SeC TTOriZOn.
REAR-Guard, is chac parr oF an Army erticti
Follons che main Body, to hinder and stop Deser-
TEFS.
REASON, in Machemaricts, che tame victe
Proportion, ris berter called by che Larine Name
Ratio (Which (ec) eo aroid contoundins ic wich the
common significarion oF che W ord Reason.
RFATTACHIMENT, is a Sccond Attachment
oF him thac as formeriy arracted and ditmissed
che Courr wichour dar, as by. che noc comins ot
he Justices, or some such Calualer. And is said
to bc cither General Or Special. General Re-attach-
ment, is where a Mlan is reartached For his Appea-
rance upon all Wrics ot Alize Wyins 2gainst him:
Special Re-attachment, muSt DCFOF OHC OF MOKCCCr-
tain.
REBOSSES, are in Heralder Tuch CoatS ot
ArS a5 bear an AIlusion eo the sirmame oF the
Perlon, a5 3 ConeysFor Conisby, 3 Cups For Buller
3 Castles For Castleton: And such Bearinss are very
ancient.
REBOTTEE, in Common. LaW, When a Mtan
ranes Land ro the use os him (elt, and che IAue ot
his Body, to drorher in Fec wich WVarranEY: Ana
che Dorce leaseth out his Lands eo a third FOr
Tears; the Heir oF the Donor impleadetH, che
Tenant alledgins, Thar the Land was in Fail tO
him: The Donec cores in, and by rirtue oF the
Warraney made by cheDonox, repellerh the Feir.
because tho che Lard was Inrailed co him, vet he
is Fleir cothe Warrancor likewise; and chis is cal
led a Reburrer. And if I GTANE EO MY TENANE, 1O
hold sine impetitione vasti, and afcermards Implead
him For Wacte made; he may debar me ot chis
Action, bx Mewins my Grane; and this is al(0 a
Rebutter.
RFCAETION, is a Second DiAtreIS OF OnC FOr
merly distrained for the same Cause, and also du
ring the Plea grounded on rhe Former Distrels:
I
likervise signities a WVric Iing For che Parey thus
Distrained,
AILCFIVER. Sec Recipient.
AliCtLACCLOM Chrli, Was trlt tound out
by Peoquet, A. D. 165F, tis a C aries inco wvhictr
all the Lacteal Veins empey chenlelres; it is oF a
Vesicular Substance, whichis chicker in Men tham
in Beasts, buc che Carier is lareer in Beasts chan
Men: Our oF ic soes rhe Ductus Thoracicus; Wvtrich
(cc.
RECESSION os ihe Equinoxes, is che goin
back ot the Equinoctial Points erery Vear about
50 Seconds. 1The Reason oF which is, Thac che
Action oF che Luminary on che Concisuous A Axis oF che Liarch, ascer manis Anrual Rerclurions
roune
RATIONAL TorizOn. Sec HTorizon
Line trom a cerrain Poinc ot che visible Objects it
one Medium, uneil ic mect ith a Second MC
RLAY, in Opricks, is a Ti MaBIC1O PaI
FTrom ChC LdC comard che Object, Or Fromthe Ob.
ject rolata che tire, and is called a Visuat Pay. BuI
chere 15 allo a Pyramid ot Rays, which Arike che
Lunica Rerina oF the Fre, ae ale broken or retra
eted in che Chrystaline.
RAY Principal, in Perspectire, is eC perpendi
cular Distance berwveen the Pre and C relticas
Plane, Or Fable, 25 che French call it.
RAY of Restection, is the rihe Line wherebs che
Reftectionis made.
RAX of Refraction, Or Broken Ray, 15 a rishe
line wrhereby the Ray of Incidence changethirs recti
tude, or is broken incraversins che Second Medium.
Whecher ic be chicker or rhinner.
RAYS, Or BeamS oF che Sun, Or Rays of Lisht,
arc eicher accordins ro che Aromical FIrpochesis,
thole rerr minure Particles or Corruscles et Mat.
ter, Which continually istuins out ot the Sun, do
chrust on one anocher all around in Phy fically MOEI
Pines; (and chac ehis is che riete Opinion, many
Fxperimenes do crince, parricularly che Incompa
table MIr. Is. Nemton abour Lighe and ColOurs) Or
else as the C’artesians altere, ther are made by the