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

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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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18 1[Figure 1]
Brevitatis gratiâ notæ quædam adhibentur, quarum hîc
ſubjungitur interpretatio.
A + B. _hoc eſt_ A & B _ſimul acceptæ_.
A - B. A, _demptâ_ B.
A - : B. _differentia ipſarun@_ A, & B.
A x B. A _multiplicata, vel ducta in_ B.
{A/B} - A _diviſa per_ B, _vel applicata ad_ B.
A = B. A _æquatur ipſi_ B.
A & gt; B. A _major eſt quàm_ B.
A & lt; B A _minor eſt quàm_ B.
A. B: : C. D A _ad_ B _eandem rationem habet, quam_ C _ad_ D.
A, B, C, D {. ./. .}. A, B, C, D _ſunt continuè proportionales_.
A. B & gt; C. D. A _ad_ B _majorem rationem habet, quàm_ C _ad_ D.
A. B & lt; C. D. A _ad_ B _minorcm rationem habet, quàm_ C _ad_ D.
A. B + C. D = \\ & gt; \\ & lt; } M. N. _Rationes_ A ad B, \\ & C ad D _compoſitæ_ {_adæquant_ \\ _excedunt_ \\ _deficiunt à_} _ratione_ M \ȧd N.
Aq. _Quadratum ex_ A.
√ A. _Latus, vel radix quadrata ipſius_ A.
A c. _Cubus e x _ A.
√ Aq + Bq. _Latus compoſiti ex_ Aq & Bq.
Reliquas, ſi quæ occurrunt, abbreviaturas Lector facili conjectur &
capiet, præſerti@ in analyſi tantillùm verſatus.

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