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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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Red Or Bluc, ere by che Incerpolirion ol Come) Thele chines harins been provd. Cays be, ct
Body incercepred ac the Lens; ihe Image in the Sum ot alt ehis amounes ro che Proposition heree
Focus nould never appear Whice, buc lome hor be prord; tor il che sun sliphris mixed ot serera
coloured; (0 thar ro makre Whirenels che blending Corrs of Rays, cach ot which have orixinally cheir
or mixcure of all. cho RayS is necesarY. And Sereral Retransibilicies and coloritiek Qualicies, ane
chen in
norwichstanding cheir Retractions and Refectione
and cheir rarious Separarions and Mixcures. Kecr
thole cheir original Properries perpecually che lam
Iu a Mtixcure of Primary Colouts, e Olanti.Wichour altoration; ihen aIl che Colours in che
cy and Oualiey ot cach beine
Eteus olo Nortd must be such as constantly ouxtr co arile
by Lishr, and depend noc on the Porver oF I-
trom the orixinal coloritick Oualiries ot ihe Ray
Whereot che Lishes consist by which chole Colours
are seen: And cheretore, it the reason ot any Co
lour wharever be required, we have nochine elle
ro do bur co consider hom che Rays in chesuns
inaginarion, are cirter rhe Colours of Flomo. Liphchare by Refections, or Retractions, or orter
seneal Liphes, or compounded ot such; and Caules been parred trom one anocher, or mixedto
EHAE CICHet acCuLaCeIY OF Ves) MCaIS, accOr
Ms cocheRule ot che Peccams Problem.
serher, or ocherwile ro And out wrhac Porrs of Rays
are in che Lighe by which char Colour is made
FOr Bosk TI. ProP. L. he BeWS, Thac the chan- and in whac Proporrion; and ihen by che latt
ses ot Colours made by Retractions do noc arile Problem ro learn che Colour which oupluc co arile
tron any new Modisicarions of che Rays imprest by mixins chole Rays Cor cheir Colours) in char
hy chole Retractions, and by che rarious Termi
narions ot Listr and Shndow, as has been checon
sane and peneral Opinion ot Philolophers. IIC
has likemise proved, thar che several Colours on
che Ilomoseneal Rays do constanly antiver 10
cheir deprees ot Retransibiliry (Prop. 1. Lib. 1.
and Prop. 2. Fib. 2.) and chac cheir degrees otRle-
frangibilier cannor be changed by Retractions and
Refexions (Prop. 2. L. T.) and by consequence,
thac chose Colours are likemile immurable: FIC
has also prord directly by retractins and reftect-
ins Hlomogeneal Lighis apare, char cheir Colours
Proporrion. Atrer chis in
Prop. VIII. and IX.
IJe Bews, hour by chole dilcovered Properrieso
Liehe ro explain che Colours made by Prisms
and also those ofche Rain-bow. And chen in
Prop. Z.
By che Came discovered Properries oF LighE, h
explains che Permanent Colours oF Nacural
Bodies
Shewing thac cheir Colours arise trom hence
cannor be changed (Prop. 2. Lib. 2.) FIc has chac some Nacural Bedies refect Lome TOrIS 0
prov d allo, Thac when the several Torrs ot Rays
Rays, and others orher Porrs, more copionay and
are mix d, and in crostins pals chrough che same Aronsly chan cherest. AS for instance, Minium
Space, they do noc act (0 uxon one another, (0 as or Red. lead, reflects the least Retrangible, or Red
eo chanse cach ochers coloritick Oualicies (Exp. makeins Rays, most copiouAY, and rhence apvears
10. L. 2.) buc by mixins cheir Actions in che Sen. Red. Bur Violers reffeet che most Retranpible
sorium bexer a Senlation differins from whar cither most copiousy, and rhence hare cheir proper Co.
vould do aparr, char is, a senlarion of a mean lour; and (0 ot ocher Bodies. Lvery Body re
Rects the Rays oF irs oun Colour more copiont
Colour berween cheir proper Colours, and parri-
cularly wrhen by the Concourle and Mixcures oF than che rest, and from their excels and pre
alI Torrs oF Rays a Wrhire Colour is produced, che,
Whice is a Nixcure of all the Colours wbich che
Rays vould have apaPE (Prop. 5. Lib. 2.) The
dominance in che Reslected Lighr, hach ies C0
lour.
Then in his second Book. Part I. and IL. he
Rays in châc Mixcure do noclole or alter cheir rakes inco Consideration che Phaenomena oF chole
Several colorihck Oualicies, bur by aIl cheir vari
ous kinds et Actions mix d in the sensorium, Be-
Colours irhrich are observed in chin cransparene
Bodies, makins many excellene Observations 2.
sec a Senlacion ot a middlins Colour berween all Bour their Reflexions and Retractions, and dilco
ehe Colours, which is Whicenels; For Whirenels verins mans chines as wondertul as they are cer
is a mean berween all Colours, havins it selF in
cain. And here he Ainds nem reason ro conclude
difterenels r0 aII, (0 a5 wich equal Faciliey co be char che coloritick Disposicions ot Rays are alse
ringed wich any of chem: A Red Ponder mixed connare wich chem and immurable; and conte.
vich a licele Blue, or a Blue ich a lirele Red, quenely, chac all che Productions and Appearances
doch nor presently lose ies Colour, buc a Whitc
ot Coloars in the Worid are derived nor trom ans
Ponder mixed wich any Colour is presencly rin- Physical Chanse caused in Lixhe by Resraction od
sed ricti chac Colour, and is equally capable of) Resterion, buc only trom che various Mixtures or
beins cinsed wich any ocher Colour wrhaterer: Separations oF RayS, by virrue of cheir differene
Ile has likrewise Mown, chacas che suns Lighr is Retransibiliey or Resexibilier; and in ehrie respect
mixed ot all Corrs oF Rays, (0 irs Whirenels is a tho Science ol Colours becomes a Speculacion as
Nlixture oFche Colours of ali Porrs ot Rays; those, cruly Machemarical as any ocher part ot Opticks
Rays havins trom ine san en seretat L. , THaE I5, 25 Far 25 cher depend on the Narure ot
Torisick Oualiries as vell as cheir several ReFran- L.ixhr, and are nor Creatures oE ihe ImaxinATIOn
setes,  eca eel perpetually unctan., em. Aset  ait IHC L’hird, he discourles opain
Sed hocwichstandins any Retractions or Refecti- ot ihe permanene Colours of Nacural Bodies, and
ons chey may ac any rime sufter, and chat woten. Mews the Analcey becween them and the Coloure
eret a tee et ere Suirs LCuss lb) any mealis ob chin transparene Plates; a5 allo Chervins cheir
ad B) HCCMCCCOM MH Cper. 9, and 10. L1b. l. OI, COMICHEIOHS, Ihereby ther resect some RayS
By Retraction, 25 happens in all Retractions, se- more copiousy chan ochers: AS aI(O abour the Co
paraced trom che rest, chen chey manitest cheir tours wvhich arise trom che Inftexion ot che RayS
Scoper CgIOurS.
Or Liphe: In all etichi chere is incerminea manis
excellent
lem
Prop. VI. he propoles ehis
che C otour ol che C ompoundo
Prop. VII.
AII etie Colours in che Dniverse wwhich are made