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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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Experiment V.
Refexibilier, ald Thole Rays are more R
fexicre Which are more Retrangible chano
This, wtick lecaIs Eo be a Curprisine Proper
Ot Lighe nor betore ducovered, he proves in hie
ibhere ris erident, chac the Rays wichin a Prism
anel retracted by ils Bale ac cheir goins our inre
AII, beins by che Rerblurion ot che Priim roune
ies Axis, made 10 obique roche Base as chereby i
ds made by che commion Bale oF ruo Prilins
placed (o ropecher a5 lo mate 2 Paralle loxiped:
Hold che Prism (0 1o che Sun as char theC0-
lours may appear axon a larse Plain Wall, a5 a
B, curn che Prilm (vistly aboue iis AXIS, (0 a
chac che Colours may more lvitus ux au dot
25 trom B1bC.
Phe Sunis Piehe conbllo ot Raps diterine 
och and roch Experiments ot che FirH Bock
begin ro be rorally restected by ir: Then he Mems
chac chese Rays became Airst oF aIl rorally reflect
ed, wotich betore ac equal Incidences with cherest
had suttered che grearest Retraction; and the lame
chins he found co hapuen also when the Refexion
a5 in che Loch Experiment.
Prop. IV. Probl. 1.
To sexatare trom ehe anocter the Fomogchab
Rays et Compound LigHI
S0 Will chere appear no Colour distinct; bur
Fainc whire Screak beruocen B and C, Which (0 ap.
Dears because by che switiness oF che Morion, che
leveral Colours are contounded and mixed, and
theretore appear Whice. Then move che Glals in
such manner, thac che Colours may move side
wars and (witels trom B eo D, in irhich cale che
Colours will noc dilappear bur make a lort ot Lilt
ot leveral Colours, becaule cher are noc mixe ec
make Whitenels, buc cach Colour kecps in ils oue
Linc.
Experiment VII.
In a dark Room, havins a licrle Hole For ch
Suris Rays to come in, apply che Prism to che
Fole (0 a5 chac che Colours may appear on a WN aII
Blue Silk in ihe Colours severally, and ic will ap
Lhis he proves in his sch, 12Th, 13ch, and igl
Priim placed at IhC MIIAIL HOsC Ot a darkened
Spectrum as to breadch, nor enerease ies Pimentione
chac way: AS alIo, chac Llomogeneal Lighe retta
cted by a Prism did noc exhibit an oblons colour.
ed Image, as tlererogeneal Lixhe dorh, bur chat a
round Spor ot ic as by the Prilm retracted exact
peur clear ot che Colour ot che Rays char fall on ly in che lame Figure and ot che lame Colour ie
ic, (viZ.) Red Wwhile che Red Lighe falls uxon i
and Vellow when che Tellon Lighe fails on ic
Buc oF all che Colours will most stronely restect
che Blue, che Surtace beins most disposed co re.
Aect chole RayS, (9C.
Then vien a quantiey oF Vermilion, or 2 licrle
avas of betore che nem Retraction; and mOreOVes
thac Flies and luch litre (mall Objects placed in
Hlomogeneal Liphe, and vierved chrough a Prism
evere noc thereby ac aIl rendred contuled and in-
distinct a5 eo appearance, whereas it placed in
Flererogeneal Liphr and vieved alter the same
piece oF scarter silk in che Blue Liptr, and rwill manuer, chey scemed epresionas contuled.
appear Bluc, and Creen in che Creen Lighe; bui
ot aIl ehe Colours twill most Arongly refect che
Scarter Rays and appear deepest ot char Colour.
This Experimene contrms che 8ch Propolicion,
Thac Bodies appear of che Colour oF chole Rays
thacare most plencitully reflected trom che Body
E0 theE) C. ThusTar NIT. Perks.
Tean nou ontr sive pou sone et cu Proposition
OF NIr. Nemcon S excellene Book oF Opricks, relarins
2o che Doctrine oF Lighe and Colours, wich Pome- Loom chrough che parallel Surtacé ot ruo Prisus
chins trom him by way oE Proot and IIlustrarion in Fastened rogecher in rhe forin ot a Parallelopiped.
che most Eminene and Marerial POinS.
Prop. I.
Prop. V
Llomogeneal Lise Lestacleu Cuat, Wc
Cac any Dilacarion, splucins et Malletnq ol
Ca Lazos ana inc contulca rtaba etD.
sects leen chrouoh retractins Bodies bflie
cerogeneal Liehi, ariles trout e metene
transibiliry ot leveral lOrtS OF RaYS.
Experimenes; trom whence ic appears, chac che
cross Polirion ot a second Prism, to retract che
Lixhr of the Sun which eame eo ic trom a formet
BOOX II. Prop. 
The Phaenomena OE Colours in ReRected or RC.
Fracted Lighe arc noc cauled by ne Modi
ficarions of che Lighe varioussy imprest, ac.
cordins to che various Perminarions ot che
Tiphe and Stradon.
For by his 1och Experiment, BOVk L. TI CrICM
thac the Suns Liphr beins cransimicied inco a dock
became rorally ot one Colour (cirtier unitormly
Tellom Or Rec) aE ies emeroins out oE the PritiM:
In ehe production oC whsich Colour ehe Contine ob
iado Che Chers) can have nochine o0, b
cause the Lighe changes trem Whice 10 Tellou
Oranse, ard Red successirely, Wichour any alce
ration ot rhe Contine ot Shado: AC boch Edees ol
Listes otrich ditter in Colour, culler 216  lle
geecs ot Retranxibiliry.
ls Retransible.
Prox. Ll.
Lhe Kixhe oC che sun consists oF Rays difserene. ( Ll PinS Lixhc Wvhere che contrari Continus
t dhadom lodeur o cn  oue