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# Title: [Lectiones XVIII, Cantabrigiae in Scholis publicis habitae] Lectiones XVIII, Cantabrigiæ in Scholis publicis habitæ (shelfmarks Leibn. Marg. 0; ZEN Leibn. Marg. 0)
# Folio 46, page id 797435492:0078
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# Lines: 42 recognised, mean confidence 0.93
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L. B C T.
lari AB constituro, non in suo loco (quod jurta dictam sententiam
oxortuie) alt pro mediorum diverlitare,. (perquam senlibili intervallo)
cirerius adspectatur, aur ulcerius. Sed eftarum hoc nostrum (eique
quond reliquos in Caroptricis, Dioptricilque calus imiles con(ona)
cametti novicium, _ nullâ quod sciam hactenus auctoritate tulcum,
cum forsan expolium dilucidius, tum penitissime dabimus confir.
matum, si quando nos de imasinum natura, locoque speciarim
evenerit disserrare. Mihi saltem videtur haec Scientia quoad hanc
partem suam, certe palmariam (uri reperitur hactenus tractara)
verquam mutila, ne dicam admodum ritiola, nec alio fere collima-
mus quam ut aliquousque suppleamus cam, ac lanemus.
ZXI. Proxime dictis contirmandis idoneum haud illepidum expe-
RIMENFUM IntExSerCIUS. Agueae Superficiei RS (stagnanti, _
immorx deluper immineat objectum HIC; ejus aurem punctum Ci ra-
dat verpendiculum PF (Eilum pura candidum, aut Rylus, cui
plumbum F’appenditur) videbitur itaque punctum C (oculo0) ex
relectione in ipsa perpendiculari OB veluc ad 2; ac perpendiculi
punctum F (admodum nocabili distantii) cirra lineam B v aspicitur
(relut ad e) id quod ex sententia nostra factum oporeuit; d Athaze
ni, seguaciumque doctrinam liquido destruit.
XXII. Subjicio tandem ex his comparere modum genuinam retra-
ctariam quam rocant (per quam nempe recta linea repraelentatur
in aqua fundo conspicua) lineam delignandi; cujus loco complures
(utique non eandem omnes, alt aliam alii) Chimaeram inani TunE
operâ prosequuri; de qua Cartosins ipse percontanci Mersenno (ic
respondit:  Non porest Facile dererminari qualem tisuram linea vila
cc in tundo agux sic trabitura; neque enim certus est aliquis ima-
cc oinis. locus in reftexis aut retractis, quemadmodum libi rulso per-
ec Tualerunt Oprici. Imo vero (canti viri pace) cum speciale quodvis
objectum (per ejuldem generis ex eodem mmodo terminatum medium
aspectabile) similem constanter exhribeat speciem lui, simili situ dispo-
Ticam, limili praeditam figura; non video quin ex parte rei cerrum
imaso locum Cortiatur; cujus certe (quoad illum qui pexe manibus
est calum) quorcunque puncta non difticile poterunt e prxcedentibus
decerminari. Quinimo nullius non. ex hujusmodi planam ad supertici
em refractione subnascentis phaenomeni (quond ejus incelligo figuram)
caula vere, ni Fallor, hinc de prompre possic altionari. verum hxec circa
planas superticies dicta susticient; ad curras nos proxime conteremus. I
Lect. Vt.
F15. 63.
Tom. II. F pist