Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
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- subditus tenetur Resi ad Obedientiam, ita Rex te-( Was broad. This srange Disproporrion berween
- netur subdito ad Prorectionem. And in another the Lenethand Breadthosthe coloured Spectrum
- Place, Duplex est Lisamen inter Rezem C5) popu
- lum, _c. Vid. 7 Rep. CalvynS Casc. = WhicH
- Passages some Wwill hare EO BC AN expre(S AuThO-
- thorier in Law co prove che greac Original Con
- tract berween che Kins os England and che Peo
- LTGTTE, is used ro sienisie Threc Thines;
- F. Thac Senlation erhich ariles in us From the
- Vieu oE any Luminous Object, 25 che Sun
- a StaE, Or 2 C andlC.
- puc him uxon sereral Thoughus; bur ac last he
- Thoughe oF this Experimentum Crucis. Ilc rook
- tivo Boards, and Placed one close behind che
- Prism ac che Window, (o chacche Lighe passine
- chroush a mall IIole purpolels made inir, mighe
- FaH on anocher Board placed nearer che WV aII, a1
- about r2 Foor distance From cheformer; and
- havins al(0 a small FTole in ic t00, For Pome OF
- the incidene Lighero pals chrough. Behind chis
- Board he placed a second Prilmm, chac the RaYS
- 2. Lishe signisies the Cause oF that Sensation pastins chrough it and che ruo Ioles in che
- in us, 25 ic is an Action or Properer existins ir
- the Luminous Body.
- 3. By Ehis Nord some also understand che
- Action oF che Medium interposed between us
- and the Luminous Object; and others, that the
- Train of Rays, wrhich comins Forth trom chence,
- prerades the Medium betore ic can come to aF
- Fect our Fyes.
- Lishe is undoubredy produced by Morion;
- buE Tet TIS nOc erery Notion thac will produce
- LighE. The Learned DF. FT. in his MicroCraphy,
- Boards, mishc be asain retracted betore ic came
- toche WalI. Then he curnd che trM Prism ac
- the Windon RowIr about ies Axis, (0 as 1o makre
- the Screral Parrs of the Image cast on the second
- Board successirely pass chroush cheFlole in it,
- char (0 he mistre obserre eo what Places on the
- Vall the second Priim nould retract chem. And
- xhenhe larr plainlr, by the Variation of those Pla-
- ces, that ihe Lighe tendins to that End os the
- Imase comards which the Refraction of the first
- Prism vas made, did in the second Prism susser a
- P. 55. judses the Nocion thac produces Lighe Refraction considerably, the Listr tendins 10 the
- Oughe ro have these Requisires: T. Thac ic be orher End. And (0 che true C ause oF che L engch
- exccedine quick, litre rhe NIOriOnS OF Fermen-
- tation and Pucrefaction; (as vou sec in Shining
- Pickles and ROtten WVOod) 2. IE must DC a
- OF thar lmase as derected to bc no ocher than
- chac Lishe consists of Rays differently refransible;
- Wrhich, wichour respect 1o any Difference in
- Vibrative Morion, and also hare ies Vibrations cheir Incidence, evere accordins to cheir Degrees
- exceedins MOrE. This he concludes From che ot Retransibilier rransmitted rovards divers
- stinins oF Diamonds, Wwhen chafed or rubbed.
- Parts of ihe WVall. From Whence he justly con-
- A5 to the Trajection oF Lishe chroush che cluded, char Licht it sels mas an Teterocencous
- Medium, ihe most frcely rhar can be, he well Mixture os disserentiy Refransible os Rays. Phi
- obserres, F. Thac che Medium must be suscep-
- tible and imparrible oF ehis Norion. 2. That
- los. Frans. LV. 80
- FTe demonstrares also, That Cince Light is al-
- the Parrs oF it must be TTomoseneous. 3. Thac ars propasated in RighE LineS, iE CanNOL POL
- cheir Consticution be such, thar Lighe may be sibly consist in Action onlY, (Prop. 42, 42. Lib
- propasared chrongh them as soon as postible.
- Tho he aNerES, thacir ic can by no means bc In-
- Rantaneous; and seems ((0 lons 250) Fulls la
- cistied, thar Lighe requires much che same Pime
- FOr itS Prajection, a5 MIr. Romer Found it a(Ter
- vards to do by che Eclipses oF Furiters Satet
- lites. Sec Philos. Trans. IV. 136. P. 893.
- The Incomparable NIr. IS. Nemton allos
- vich orher AAronOmers, about L0 Minutes ol
- an ITour For che Morion ot a Rar oF Lighetrom
- che Sun eothe Farth. Princip. P. 23r.
- Ise Found atto bs Plam and repeated Experi-
- ments, thac the RayS OF Lighe beins in che AIE,
- and passine near or chrough the Angles of any
- Princip. Phil. Mathem.) 25 che Cartesans do
- aRCFF.
- In anocher Place oF the Tranfactions he gires
- the Follovins Definitions and PropOsitiOnS.
- DE FFNFFZONS.
- T. Domozeneat, Similac, or Vnisorm Liehr, is
- chac Whose Rars are equallr retrangible.
- 2. Fleteroseneal Lisht, is chat Whose RaYs are
- unequallr retransible.
- Noce, Fhere are buE Three ARections OF LiGhE
- in erhich he obserred iis Rars 10 ditser, viz
- Refransibility, Restexibility, and Colour: Anc
- opacous or rransparent Body, (Tuch a5 Pieces thole Rays wrhich agree in Refransibility, aoree
- ot Gold or Silver Coin, or square Pieces ot
- also in the ocher cro, and cheretore may vell
- chole Mecals, the Fdges oF Rnires, or oF bro- be detined Fromogeneal; especialls since Men
- ken Cla(5, (9c.) are alvars bent or incurvated
- corvards such Bodies, 25 if cher eere attracted
- by chem; and of chese, those Rays wrhich pa(s
- nearest the Fdges, are most incurvated.
- And FPOI ACHCC IL WIH LOlOW, That rhe Re.
- Fraction oF the Rays oF Lighr (especially ot
- those wotrich Fall near the Fdges ot Bodies, is nOr
- made just at che Poine oF Incidence, buc 2 licrle
- betore the Rars enter inco the denser Medium.
- and a liule alter ther are sorren wichin ic.
- The lame Perton Found also by curtous LPC.
- utuallr call chole Things Fromozeneal, wwhich are
- So in all other Onalicies chat come under cheir
- Knontedse; cho in ocher Oualicies thac cheir
- Knomledse exrends nocro, chiere may portibly
- be some Feterogenity.
- 3. Those Colours he calls Simple, Or TTomo-
- seneal, which are exhibited by Homosenect
- Licht.
- 4. And chole Compound or Teterogeneal,
- ertich are extribiced by Hererozeneat Licht.
- 5. Difterent Colours he calls nor only che
- rimenes made wich erisms, chat che viridy co. more eminent Species, Red, Zellow, Creen
- loured Tmase transmitred chrough a FTole, in a Blew, Purple, buc all orher the minucest Cra
- darkened Room, opposire ro che Sun- beams, and darions; uch aftex the Tame manner, thac nOL
- alt c a rtice Wali mas tiretimeo no tené de re l outs cle more cruinent Deose in Mutets, voi
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Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. - . Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/806933011:0468?run=74