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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[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
[101.] Addenda Lectionibus Geometricis.
[102.] _Probl_. I.
[103.] _Probl_. II.
[104.] _Probl_. III.
[105.] Addenda Lectionibus Geometricis.
[106.] _Theor_. I.
[107.] _Theor_. II.
[108.] _Theor_. III.
[109.] _Theor_. IV.
[110.] _Theor_. V.
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page |< < (68) of 393 > >|
8668 hoc eſt σ π. RN: : PA + 2 NA. NA. eſt autem arc σ π. RN
:
: ſubtenſa σ π. RN: : π ZZ R: : π Z. ZN. ergo π Z. ZN: :
PA
+ 2 NA.
NA. & componendo π N. ZN: : PA + 3 NA. NA
&
antecedentes ſubduplando FN. ZN: : {PA + 3 NA/2}. NA. de-
nique
dividendo FZ.
ZN: : {PA + NA / 2}. NA. eſt autem EA =
{PA + NA/2}.
ergò tandem eſt FZZN: : EA. NA: Q. E. D.

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