Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica

Table of figures

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[71] Pag. 450.TAB.XLIII.Fig. 4.B A F R P C D E G H I K S L M N O
[72] Fig. 1.F G I K D L E S T O C N H M V R B Q P A
[73] Fig. 2.F G I K D L E S T O C N V R B Q P A
[74] Fig. 5.A C B D E
[75] Fig. 3.A F G I K D L S T E O C N H M V R B Q P
[Figure 76]
[Figure 77]
[Figure 78]
[Figure 79]
[Figure 80]
[Figure 81]
[Figure 82]
[83] TAB. XLIV.Fig. 2.D H A B E F G
[84] Fig. 1.E G N L O I Q P D K M H F A
[85] Fig. 3.B E F A D G C
[86] I. CasusFig. 4.Y Q R C A B M L I K V C O S X
[87] II. CasusFig. 5.R C Y Q A B I L M K V O X S C
[88] III. CasusFig. 6.Q C D Y K L I N M S V B X C A G O
[89] Fig. 7.IV. CasusQ D C A B S L N X M I V Y K C G O
[Figure 90]
[91] Pag. 506.TAB. XLV.Fig. 1.C F D B
[92] Fig. 2.C B A E F
[93] Fig. 3.B b F f H c
[94] Fig. 4.C D B A E F G H
[95] Fig. 5.C b d D B E F G f g e
[96] Fig. 6.B G A C D
[Figure 97]
[Figure 98]
[Figure 99]
[Figure 100]
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250514CHRISTIANI HUGENII Tangentis proprietatem; Problema, quod mihi apparuit
difficillimum.
Solutio Marchionis exſtat in 34. Diario Pari-
ſienſi anni ultimi, quare hanc hic non trado.
Alterum eſt ejus reſponſum de aliâ curvâ valde cognitâ, &
quam Carteſius aliter adhuc conſideravit, ut &
Huddenius
eo tempore, quo negotia Reip.
non impediebant, quo-
minus vacaret ſtudiis.
Curva in fig. 4. exhibetur, fo-
11TAB. XLVI.
fig. 4.
lium A B C H circumſcribit &
utrimque ſeſe extendit juxta
Aſymptoton E F G.
Æquatio ejus eſt x3 + y3 = xyn ſi A D
ponatur x in recta, quæ cum diametro C A format angulum
45 graduum;
perpendicularis DB, vel D H, vel D K, y; &
n recta data.
Cum ipſi indicaſſem, me inveniſſe qua-
draturam hujus curvæ, &
quod contentum folii A B C H
eſſet = {1/6} nn id eſt {1/3} quadrati diametri A C;
quod ſpa-
tium infinitum inter Aſymptoton &
ambo curvæ brachia
etiam ejuſdem magnitudinis eſſent;
& quod quadratura ge-
neralis ſegmentorum exprimeretur per unicum terminum;
ille invenit veram illam quadraturam generalem. Scilicet quod
contentum ſegmentorum A H vel A K exprimatur per {nxx/6y}
&
ſegmenti A B per {nyy/6x}; ſed ulterius mihi affirmat ſe eo
perveniſſe per tres diverſas vias;
quod miror, cum per-
ſuaſum habeam me non parum profeciſſe unicam dete-
gendo.
98[Figure 98]

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