Barrow, Isaac, Lectiones opticae & geometricae : in quibus phaenomenon opticorum genuinae rationes investigantur, ac exponuntur: et generalia curvarum linearum symptomata declarantur

Table of contents

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[Item 1.]
[2.] Imprimatur,
[3.] LECTIONES _OPTICÆ & GEOMETRICÆ:_ In quibus PHÆNOMENωN OPTICORUM Genuinæ _Rationes_ inveſtigantur, ac exponuntur: ET _Generalia_ Curvarum Linearum _Symptomata declarantur_. Auctore Isaaco Barrow, Collegii _S S. Trinitatis_ in Academia _Cantab._ Præfecto, Et _SOCIETATIS REGIÆ_ Sodale.
[4.] LONDINI, Typis _Guilielmi Godbid_, & proſtant venales apud _Robertum Scott_, in vico Little-Britain. 1674.
[5.] SPECTATISSIMIS VIRIS Roberto Raworth & Thomæ Buck ARMIGERIS;
[6.] Iſaac Barrow
[7.] Epistola ad LECTOREM.
[8.] Epiſtola; in qua Operis hujus Argumen-tum, & ſcopus brevitèr exponuntur.
[9.] Lect. I.
[10.] Lect. II.
[11.] Lect. III.
[12.] _Corol_. 1. Ang. _a_ BG. ang. _a_ BP > ang. δ BH. ang. δ BP. 2. Ang. _a_ BG. ang. PBG > ang. δ BH. PBH.
[13.] Lect. IV.
[14.] Lect.V.
[15.] Lect. VI.
[16.] Lect. VI I.
[17.] Lect. VIII.
[18.] Lect. IX.
[19.] Lect. X.
[20.] Lect. XIV.
[21.] Lect. XV.
[22.] APPENDICVLA.
[23.] Lect. XVI.
[24.] Lect. XVII.
[25.] Lect. XVIII.
[26.] ERRATA.
[27.] Benevolo Lectori.
[28.] Lectio I.
[29.] Lect. II.
[30.] Lect. III.
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126108
Nam ob OZq - ZT x ZS. OZq : : OZ. OC; erit OZ cub
= OC x OZq - OC x ZT x ZS.
tranſponendóque OC x ZT x ZS = OC
x
OZq - OZ cub.
atqui propter OZ. ZS : : OC. CN. eſt
OZ
x CN = ZS x OC.
quare OZ x CN x ZT = OC x OZq
-
OZ cub;
adeóque (elidendo OZ) erit CN x ZT = OC
x
OZ - OZq.
vel CN. OC - OZ: : OZ. ZT; hoc eſt CB. CZ: :
OT
.
ZT. . & componendo BZ. CZ : : OT. ZT : : I. R. itaque
primò
liquet punctum Z imaginem eſſe puncti A, ex refractione
factam
ad circulum BN.
quinetiam ob CY. YN : : ρ O. O σ : :
R
.
I; palàm eſt NO refractum eſſe radii ad CY, hoc eſt ad FO
paralleli
.
liquidò proinde conſtat propoſitum.

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