Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 1: Opera mechanica

Table of contents

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[101.] PROPOSITIO XI.
[102.] PROPOSITIO XII.
[103.] PROPOSITIO XIII.
[104.] PROPOSITIO XIV.
[105.] PROPOSITIO XV.
[106.] PROPOSITIO XVI.
[107.] PROPOSITIO XVII.
[108.] PROPOSITIO XVIII.
[109.] PROPOSITIO XIX.
[110.] PROPOSITIO XX.
[111.] PROPOSITIO XXI.
[112.] Centrum oſcillationis Circuli.
[113.] Centrum oſcillationis Rectanguli.
[114.] Centrum oſcillationis Trianguli iſoſcelis.
[115.] Centrum oſcillationis Parabolæ.
[116.] Centrum oſcillationis Sectoris circuli.
[117.] Centrum oſcillationis Circuli, aliter quam ſupra.
[118.] Centrum oſcillationis Peripheriæ circuli.
[119.] Centrum oſcillationis Polygonorum ordinatorum.
[120.] Loci plani & ſolidi uſus in hac Theoria.
[121.] PROPOSITIO XXII.
[122.] Centrum oſcillationis in Pyramide.
[123.] Centrum oſcillationis Coni.
[124.] Centrum oſcillationis Sphæræ.
[125.] Centrum oſcillationis Cylindri.
[126.] Centrum oſcillationis Conoidis Parabolici.
[127.] Centrum oſcillationis Conoidis Hyperbolici.
[128.] Centrum oſcillationis dimidii Coni.
[129.] PROPOSITIO XXIII.
[130.] PROPOSITIO XXIV.
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221140CHRISTIANI HUGENII& - 2 ly = - 2 {ιι/θ} - 2 l zz - xx + 2 {/θ} - {μμ/θθ}.
11De centro
O@CILLA-
TIONIS.
vel + θ yy = {ιι/θ} - 2 l zz - xx + 2 {/θ} - {μμ/θθ} + θ zz - θ x x
xm
- {μμ/θ}
.
+ 2 & - 2 ly = - 2{ιι/θ} + 2 l zz - xx + 2 {/θ} - {μμ/θθ}.
Ac
proinde, utroque caſu, pro θ y y - 2 l y habebitur - {ιι/θ}
+ θ z z - θ x x + 2 x m - {μμ/θ}.
Quò appoſitis reliquis quantita-
tibus
, ſumma prædicta contentis, θ x x - 2 x m + n n + k k,
fiet
tota ſumma, nempe quadratorum F A, F B, F C, F D,
= θ z z + nn + k k - {μμ - ιι/θ}.
Quod apparet eſſe planum da-
tum
, cum quantitates omnes datæ ſint;
ſemperque idem
reperiri
, ubicunque in circumferentia ſumptum fuerit pun-
ctum
F.
quod erat demonſtrandum.

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