Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
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- Fescopes may be made irh Concare Lye:) Nixcure chat ivould Polis sinely; rellect rividly;
- slalses, buc then ehe Area oF the Object, will be
- proporrioned alvars ro che Breadch oF che Pupil
- OF ihe Fre oF etie beholder; Whereas in a Convex
- Ereglass, tis determined by che breadch oE chat
- Gla(5.
- The practical Rule for combinins; or purtins 1080.
- ther, this Day- Felescope os four Classes, is this.
- Take the EO Frst Eve- Stases, and combine
- hem by Trials, (0 2s eo matce a distinct inverred
- Telescope, consistins ot a Conrex object class, and
- a Conrex cye-glals oF a lels Sphere.
- Then take ihe Object slals, and sirst Lyc. Blats,
- and combine them by Frials als0.
- Castir, Fatre borhrhese Telescopes, and wirtour
- alcerine che Distances oF cheir Glasses, in either ot
- them snsly; by Trials combine boch chese Lelc-
- scopes, tillche Aprcarance be clcat and distinet.
- BucWrtrac is hère done by Trials, may be efect
- ed by actual Menluxarion, eP desingins ouE the
- Distances ot che Classes trom cach orter, by
- Hnoine their Focal Diltances.
- TELESCOPE Aeriat, (OMIF. Cbr. FTugens CalIS 2
- Telelcope, (described in Phil. Frans. Numb. 161.)
- Wtich ivas made for the Niste, and ro be used
- and hold ichour rustins or carnistrins, ic oild be
- a Dilcorerr oF very ereac Adrantase; boch 10 Tc.
- lescopical and Microlcopical Improrements.
- visible corhe naked Lre, bul aloretacte )
- et ChC aDe san. ettenma aco at la
- Resty beginnine, trom pare ot the Os trontis, Syn
- cipitis, Sphaenoides, and Temporalis; From chese
- Placesies Fibres pals (likre Lines dravn froma Cir-
- cumference ro a Cencer) undet elees fusau, on
- Wtence allo ariles lome Hethy Fibres JoiM Wi
- the Former ar cheir uniced, Paless celtuous, anc
- partly Aechr Insertion, toche upper part Ot ihC Pro-
- cessus Coronae ofthe lover Taw: This, with its Parr.
- ner, drans che lorver Parr uxivards.
- TEMPORAROM Ossa are BOneS OF the ScuII
- Ciruared in the lorver part otche sides olche Cranium;
- cheir upper part, wrtrich is chin, consisting onty ol
- one Table, is oF a circular Figure, and is joined co
- ehic Ossa Parietalia by che Sururae squamosae their
- lorver pare, wtich is chick, hard, and unequal, 18
- joined ro che OsOccipiris, and toche Os Sphaenoides,
- etiis pare is called Os Petrosum; they, trave cactu
- Withour a close Tube, (because there is no necd of chree exrernal Apophises or Procelles. viz. Processu
- one in a dark NVishr) and by chacmeans a lons Te-
- lescope becomes much Liehirened; and more casitys
- Manageable.
- Zysometicus, Nlammillaris or Mastoideus, and che
- Processus Scylyformis, and one Incernal. Intherem
- poral Bones, there are 2 Incernal, and a externat
- TELESCOPE Restecting; oF Mr. Nemron, is made Tloles. The tirtt ot the Incernal, IS LHC LIOIC CMNO
- thus: The Tube ot ic which is larse, is Open AE
- the end wtrich respects che Object; che octiex end
- is close, irhere à concare metalline speculum is
- laid; and near che open end, there is à Aac Oval
- Speculum made a5 lmall a5 mar bc, the lels e0 ob-
- Wtich che Audirory Nerre pasles; che second is
- common to ir and the Os Ocsipitis; che 8ih pair ot
- Nerres, and che laceral sinus passes chrough irs
- The Arst of che External, is che Meatus auditorius
- Externus; the second is opened behind che Palare
- Aruct ehic enerance of che Rays of Lighe into the ic is rhie end oF thar Pallase which comes trom the
- Tube by ir, ind inclined rorvards che uxper parF OF Barrel oF the Far to he Mouth. The 3d is cheOri
- he Tube, vohere is a licrle hole Furnisre d Wwich a (inaHI) sice oF the Conduir, by which the Caroridale Ar
- Plane Convex Lyc-glals: S0 chac ihe Rays comins ceries encer che Cranium; and che Fourrh is behinc
- From che Object, do First Fall on che Concave pla-
- the Processuss Mastoideus; by it passes a Vein which
- cedar the borrom ot the Tube, and are chence re. carries rhe Blood trom the external Teguments r0
- Rected cowards the other end ot ic. Where chey
- meer wich che Rac Speculum, obliquels posired, by
- he Rerection ot Which cher are directed ro che
- lierle Plano- convex ClaIS, and (0 r0 the Spectators
- Ere, who lookins donnvards, sces the Object.
- wvtrich che Telescope is curned to. This Instru-
- mene is described more ac large in Philos. Frans
- V. 8r.
- che lacexa l Sinuss; Tomecimes chis FTole is wvancins:
- there is anocher which is betwveen che Processus
- Mastoidens and che Seyliformis, chroush wtrich che
- Porrio Dura of che Audirory Nerre passes. They
- have each a Sinus lined with a Carrilage under rhe
- Meacus Auditorius, Which receires che condyle oF
- the lorver Tavo.
- TEMEORARY Fortisication. Sec Forrisica
- AEcer this Ers FNaY, ehe Learned Inventormade. tion-
- anocher Instrumene ot che same nature, with Wvtict,
- hre Pairh, chac he could Read in the Philosophical
- TENTATLLE, in Forrificarion, is a kind OF OuF-
- work relembline a Ftorn-morke, buc generally some
- Transactions opened in che Sun-Minc, ac an hundred wrhac disterent, in resard chac instead ofero Demi-
- Poor distance, and discern some ot che Words ac bastions, it bears only in Front a Re-entrine AnelC
- elie distance oF 120; its aperture (detined next che becwreen che lame Wings Wwichour Flanks; and the
- ErC) was elien equal ro abore an Inch and : OF the Sides arc parallet: Bur when chere is more bredctu
- Objeet Metal.
- The Adrantases oF chis Feleleope mould bevery
- at the Fread than ac che Corge, chese Tenailles are
- called Oueuve d’yronde
- TFNIATLLE Double or Flante d. i5 a Work whose
- great, il ic conld be broughero ies desired Pertecti-
- on. Bur ic is liable ro rivo Inconreniencies. First, Front consilts of tour Faces, matins rvo Re-entrine
- Ansles, andchree saliant; che Winss or Sides ol
- vould sec: thous etus a lulle OC and Practice chis Work beins in the likemanner correspondene re
- FHC FFONE OF che GorgC.
- TENATLLE Simple, is a Work HavinS IES FFONE
- formd by rvo Faces, which make a Re- encrinz
- Ansle, che Sides runmins directly parallel From che
- Lleadroche COrze
- TFNALL. L.F of the elace, i5 Fhac wtrich is c
- prehended berween the LOIns Ot CVO neIBMBOUF.
- ins Bastions; chacis to CaY, ihe Curtain; the cvo
- coulel be lo hapry ae lo tute l a e00il metattine) Flauts pac aec tailea on Mle Cuprain, audehe quoe
- didtee
- TELE;COTICAL.Scars, are chole chac are l
- C SICA OF a Telescope
- LLMLLLLATE. ZonC. Sec Zone
- LLMEORALIS, also Crocaphites, is a Musele
- Thac ris nor very casie by it ro sind the Object rou
- Clals on cre vucne Parallet to che Aris oF the C a
- vould obriare; at least, placins a lmall Prospect
- vies ot che Caroprick Tube, vou mighe readily
- Cnor DM MIe CC OSeBY chaE, anc rhen ihe Tube
- I TelF would be rIghE. Li Lu and much creater
- Inconvenienco, is ine Coneare meralline Object
- bocculum beins lubject ro L’arnict, (o chac ic wvill
- noc continue lons sood. Buc il any Person couid
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/806933011:0815?run=74