Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
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- drans aboux chat lensrh (HO 4 Ox 3 FOOL Will j can be more pleasant etian r0 see how the Co-
- do preur eli) is che ficrest on aIl Acconnes ro (lours ot the movins pars ill chanse ascherdo
- make this Fixperimene Wichal; For il rou ule without, by cheir beins in rarious Posirions obve-
- a naII GlaIs totiose Focus is nor abore a FOOT, red to, or Thaded trom the Lighr. The Mori
- ex Thercabours distant From the FIole, the Repre- On OE any Flies or Birds, is painted also in the
- sentarion ot pour Objects ill be very (mall,lame Perfection: And the exact Lineaments ot
- and the Figures hardly large enoughto be distin- any Persons walkins at 2 due Distance wirhour
- euimted: Fo which likerrise may be added, the Clals, ivill be also expressed to che Lite, and
- That nOT abore one Spectator can come to loo alL their Morions, Postures and Gestures, vilI
- on ir at a rime, and eren he nor withour (ome a5 plainly appear onthe Clort, 25 chey do 10 2-
- Trouble.
- On elie orter hand, it vou makre ule oE a
- ny ones Lye Withour.
- In a WVord, noching is ivancins ro render ix
- Gla(s irhich dras 15, 20, OF25 FOOT, either one ofche finest Sistus in the Wortd, bur rhar iII
- vour Fole must be rerr larse, and chen lomuch (chinss are inrerred, and the urons end uprards.
- lighe vill come in as vill hinder the Obicets T0 remeds which, sereral Merhods hare becir
- From being visible on the WalI, Paper, (9C. OF
- thoughe on, as double Conrex-Clases, (90. DuF
- is che Flole be bur small, (0 litele Lighe will nonc, in my Opinion, are (0 vell, nor (0 calic,
- come in, thac at the Distance oF 15 Or 20 FOOr
- From the Windon, rou will hare hardlr Lighe
- enough eo sec the Representarion distinetly; Tuch
- larse Glasses likcevile are nor casils had everr
- irtiere, nor are ther every ones Money; buc a
- GIaIS FHaE draWS abOUE S FCCE, IS VeEY PFOBeF 10
- bemade use on in this Case.
- 25 t0 ralce a common Lootins glals OF abOuE r2
- Or X4 Inches Square, and hold it under Or near
- che Chin, wich an Acure Angle to vour Breast:
- For if rou do (o, and look donn into ic, rou ill
- sec all chinssuponcheSheet inverred in theGlals;
- (1. e.) in chis case, restored ro their Natural and
- Frect Postion; and chis ReRection also Fromthe
- Flavins sorcen such a OtasS, make choice ot Class, sires it a Clarinenels chac is very surpri-
- fome Room which hach a Norch Window, cho
- zins, and makes it lool like fome Magical PrO-
- an Fast Or WVest mas do vell enoush (but a spect, and che morins Imases, like (o many
- South one will noc, for a Reason ro be siren be- Spectrums or Phancalms. And no doube buc
- Tow) and let it be ivell Darkened, (0 chat no (there are many Persons thac mishe casily De
- Lighe can come into ic, bur at che FIole where impoled uxon writh such a Scene, and votro
- vour Glals is placed, or ac leas but very lirrle. vould beliere ic to be no less than donnriohe
- Then matre a Flole in the Shurrer oF the North Conjurarion,
- Window oF abour an Tneh, or an Inch and = in And P have made usc oF this FXperimenE FO
- Diamerer, and leare open the Calement itchere convince lome Credulous Pertons rhâc thole are
- Deone, For there must De no Olals Without rour abused and imposed upon, who sec Faces in the
- TTole. Then fasten the Clals wich is Cenrre in Classes of some Chearins Rnares amonsA uS,
- Ehe Centre of the FIOse, By Lome (maIITacks eo Who Per up For Cunnins Men, and Dilcorerers
- The SMIIeK, (0 That nO puH oF Wind blon ic oE Scolen Coods, 59c. And hare larissied chem
- donn and break ic; and at che Distance char chac much more may be done by chis and some
- vouknon pour Clals drans, hans up a Wrhire ocher Oprical Experimenes, and char wichourthe
- Sheet; or it rou donor know exactlr the Focus help ot che Deriltoo, than by any oF the clum-
- oFthe Gla(s, more the Sheet roo and fro rill vou sic Mechods used by chese Vermin.
- sind the Objects are reprelented on it very distin-
- etly, and rhen vou mar Fasten ic chere by Nails
- IFche Clals be placed in a Sphere or Globe
- OF Nood Charing an FIole as large as the Glass
- eo the Ceiling, (90. Then will whacerer is bored chro ic). Which like the Lire ot an Animat
- Wichour the HIole, and oppolire to il, be repre-
- masbeturned erery wayto receire the RayS CO-
- senced on thac Stieer wich such exquisite exact.
- nels, 25 Far surpasses the urmost Skill ot any
- Painter to exprels. Forit che Sun Minc brighr-
- ming from all Parrs ot the Objects, it will be ot
- 8ood Adrancase ro che Experiment; and suck
- ready siced are non commonly sold bY MC. Mar-
- ls on che Objects (as indeed chis Experimentis Pall ac che Archimedes en Ludeate hill, and are
- never made vell When ic dorh nor) rou wilt called Seioptrictes.
- tave the Colours oF all rhingsthere in their Na-
- cural Paint, and such an admirable proporrion ot
- Lighe and Stradon, as is impossible to beimita-
- red by AEE; and P Ver never PaW any thing OF
- phac kind chac comes near this Natural Land
- scape. Bur if che Sun do noc Chine, the Colours
- riil be hardls visible, and aI will look direy,
- dark and contused; rheretore l adriled a Norrt
- Nindon, chac vou may have che Meridian
- Sun ining on rour Obieet in irs grearest Splen-
- And as by ehis Method any Tmase may Be
- made appear in a darkened Room, Dr. Hook, in
- Philosoph. Transact. IV. 38. Sires a way oE doirs
- the lame chins in an Enlislcened one, cicher by
- Day ox Nieht. The Fxperimene I have cried
- my Selt, and is a5 FollOWS.
- Oppositerothe WNalI, Or Place Where the AP
- parition is to be, let a tole be made abour a
- Foor in Diamerer Or bieger; il chere be an histi
- Windom chachach a Calemene in it, it wilt do
- better.
- Wichour chis FTole, or Casemene, (0 char the
- Company inthe Room mar nor see what is done,
- Place rhe Picture or Object rou vould reprelent
- ced behind, il che Picture be Transparent, reslect
- roietim on vour Livels Picture; and nertine l che Rays et dhe duve, lo chac ches may patocluq
- dor, chat (0 che Experiment may be in its uririost
- pertection: Buc vou must by no means tave
- all wviil be contuled.
- Anocher chins in Which ehis RepresentaciON
- exceeds Painting is, Thachere rou hare Motion
- exPPeSsed on vour CIOTh. IF rie Nind more inverced; and by means or Lockino-Glasies pla
- ihe Sun Minc on ornear che Hole, for it ic dorti
- EtC LICCS, FLAHES OF FIOeES WnOu souMave
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/806933011:0570?run=74