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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[71.] _Theor_. IV.
[72.] _Theor_. V.
[73.] _Theor_. VI.
[74.] _Theor_. VII.
[75.] Lect. XIII.
[76.] Æquationum Series prima.
[77.] _Notetur autem_,
[78.] Series ſecunda.
[79.] Not.
[80.] Series tertia.
[81.] Not.
[82.] Not.
[83.] Series quarta.
[84.] Not.
[85.] Series quinta.
[86.] Series ſexta.
[87.] Not.
[88.] Series ſeptima.
[89.] Not.
[90.] Series octava.
[91.] Series nona.
[92.] Not.
[93.] Series decima.
[94.] Series undecima.
[95.] Not.
[96.] Series duodecima
[97.] Series decima tertia
[98.] Not.
[99.] Laus DEOO ptimo Maximo. FINIS.
[100.] ERRATA
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Lect. VIII.
III. Dico fore AC. AN : : KC. KN. Nam ducatur KH ad
CN
parallela.
eſt igitnr ang. KHN = CNP = CNK = NKH.
hoc etiam è ſuperiùs generatim oftenſis conſectatur. adeóque NH
= NK.
itâque cùm ſit AC. AN : : KC. HN. erit etiam AC.
AN
:
: KC. KN.
IV. Corollarii loco notetur (ductâ CP) fore NH = NK;
& triangula HNK, NCP aſſimilari; vel eſſe HK. HN : : NP.
CN
.
V. Porrò, conftantibus iiſdem, dico fore AC. KC : : ACq
-
ANq .
CNq. Nam eſt NP. CN + AN. CN = HK.
HN + AN. CN = HK x AN. HN x CN = AN.

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