Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. Mean line confidence on this page: 0.88.
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The machine reads it as
- ic vere a Conrex-sla(s, in che Fioie OF a dark I that part oF irs Fund which is lorvermost, or niot-
- Chavibes i l n K, and chac defis che distinet Bale est che Center oF che Farth, perceires TMat ParE OE
- Ot chis Clal5.
- Whatis here Paid oF the Poine b, and iES Repre.
- sentation ac e, may be undetstood oF all the ortier
- Poines in the Obicet, 25 oF a and e, and cheir RC.
- prelentations ac f and d. For accordins tO
- NII. NemtonS Belt Lyporhelis OF LigHE, C2CH Ra
- hach irs Innare Colour and 1o will reprelent il
- nohiece ic fallo.
- 2. A5 in a darte Chamber chat has a Ltole Currii
- Med Wich a Conrex-glals, if che Paper thac isto re
- SIe, Chatine LSC IM Ihe FOIES, SecereS AN IM
- Pulse or Scroke by che Prorrution Lorralus ele
- Luminous Axis a of, trom che Poine ot the Ob.
- ject a; must nor che visire Faculty be necellarilz
- directed hereby ro consider this Scroke, as comine
- tromthe TOD a, Pathet CMaH trOm the BOttOII I, alte
- ceirethe Imase inche distinet Base, De cirher nigher Nan Standins on his Hlead: l’or here, cho che
- co, or Farcher from che Cla(s, than irs due distance, uxper Parrs ot Objects are painted on the upper
- che Peprelentation chereon is contuled: For rhen parts ot the Frc, vet che Objects are judsed to be
- che Radious Peneils do nor exaetly determine wirh Erect. And fromthis Posture of a Mtan, theRea-
- their Apices on the Paper; buc chose from onc son appears, why we have uled che Words farthest
- Point are mixe and contuled wich chole From the from, and nighest to the Centre of the F arth, xatter
- adjaCeHE POInLS: S0 in the C alc OF Plain Vision, ris
- than upper aud lover. For in ehis Posture, because
- requisire chat the Pencils Mould exactlr determine che upper Parrs ol the Objects are painced on chat
- theix Apices at def, on chie Rerina, Or else Vision parr oF che Fye nishest che Farch, (cho really che
- is nor distinct.
- it Mould hare a Pouer ot adaprins ic selt in lome
- Nhac 25 Lala oE erect alu Rcoeise, idas dec
- meature to nighr and distant Objects, For ther re- dersood ot sinister and Dexter.
- quire ditterent Conformation ot the tive, becaule
- the Rars proccedins From che Luminous Poinrs ot
- nioh Objects, do more direrge thian those From
- more remore Objects: Bur Whether this Variers
- ot Contormarion consilts in che Crystaliines ap-
- proachins nisher ro, or removins Farcher From che
- Retina: Or in the Crystallines assuming a disterent
- Convexier, lometimes greater, Lometimes lelS, ac
- cordins a5 is requisire, is lelr to che Scrutiny ot 0
- thers; and particularty che Curious Anacomicts.
- This only may be Paid, Thar cither oF chese NC
- thods, will serre co explain che rarious Phaenomena
- of the Fyc: And thac boch chele maz actend cact
- Ocher, viz. a lels Conrex-Crystalline requires an
- Flonsation of the Fye, and a more Convex-C ry.
- Palline requires a Morrnins thereot; a5 a more RaL
- Conrex Object-slals, Or ot a larger Sphere, re-
- quires a longer Tube; and onc Protuberant, buls
- ins, or ot a smaller sphiere, reguires a Mortex
- Fube.
- gecher, on the Pusil in s h, (0 charthe lire is pla-
- ced inche Point oF the srearest Contusion: BuE by
- means of the Flumours and Coats thereot, cach
- Conc ot Rays is Separated, and broughe by ic selt
- toderermine ses propes font on the Rerina, chere
- paintins distinctr the Virid Reprelentation Or ie
- Object, whieh Represemrarion is chere perceirea
- crodins u ide Pole o ot he Crritalline, o
- Cla(5.
- vins rhe Reprelemrariom ot a paIE oOt an Obj eet On
- ced on the Fund ot the lire inverted, and yet che
- Sensitire laculer judging che Object Lrect, IC Fol-
- Iows, Thac when the Image oF an Frect Object io
- Painced on thefund ot the liye Lirect, che sene
- judges char Object robe Inverted.
- Luus, Che Lenocm or the Objeet ac, 15 Cllimracea
- by che Anole a0c, f0 d, and chis is called che
- Optick Ansle.
- instead ot rhe CitalS ac d (F15. 2.) and a bc, Or ef 8
- vere Objects, the Eye would perceire chem ot e.
- qual bixness.
- the Object as uppermoll, or tarthelttrom the C en
- ere oF the Farrh: In ansiver to this, let us ima
- consequers suoia De anccteu 10 conclude sche
- Representation oCthe FOp =
- Theretore ve may be latissteu os suponnz à
- upper Lart ot the Lyc) thes ale Jucged ro be tar-
- hest remored trom che Parth.
- Theretore Lrature has loconcrir aHe LGC, Lhat
- 3. D) We Former Figure e perccive he Rays
- From each Poine oF the Object, are all contuted to-
- Os dle densitive doul
- 4. Weare likervise ro obserre, Thaxthe R exre
- sentation ot ulse Obsect abc, on thie Fund ot che
- Eye sea receu. tor (0 likewile ir i on the
- Paper in2 Dark Room; there beins no orher Waz
- Let CC Radions COnes 1O enter M YC, Or che
- dark Chamber, buc by cheir AXIS a0, b o, c0
- But hou il comes t0 p2IS, thar che Fye recei
- 5. The Imase of an Frect Object beins represen-
- 6. The Magnitude ot an Object, is estimared
- Os ceAnole ihe Obicce Tubrenas betoce lae ese
- WVhence ic Follows, char it the Fire ivere placec
Cite
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/806933011:0899?run=74