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

Table of figures

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[61] Fig. 5.A D C G F E B H
[62] Pag. 106.TAB. XIV.Fig. 2.T B M S O I C A F K E L Q P N
[63] Fig. 1.E F K L A G H M C B D
[64] Fig. 3.I G E B P R Q A K C D H F
[65] Pag. 112.TAB. XV.Fig. 1.S D A B C E V
[66] Fig. 2.F A E B K G H N L D M O C
[67] Fig. 3.C D F A B K E G N H
[68] Fig. 5.S M A N B K X T P L F V O C Y D E G H
[69] Fig. 4.Y H A S B K T X F L V P O M N C D G E
[70] Pag. 114.TAB. XVI.Fig. 1.M F E A K G N H B D C
[71] Fig. 2.H A K B R P F L O M N D Q G E
[72] Fig. 3.Y H A S Z X T K B V L P F O C M N D G E
[Figure 73]
[74] Pag. 122TAB. XVII.Fig. 1.S A P B R M D I
[75] Fig. 2.H S Z K B C M D
[76] Fig. 3.P S Z M A B K D H
[77] Fig. 4.H C A E D F B G
[78] Pag. 128.TAB. XVIII.Fig. 1.A G C B D E H F K I M
[79] Fig. 2.A C G B E F D H M N O P
[80] Fig. 3.D L Q A G Q M R E P. Q B F N H Q C Q K Q
[81] Fig. 4.N Q K C Q D L R E P F A Q G M Q Q H B Q
[82] Pag. 136.TAB. XIX.Fig. 1.D C X B Y E R I Q L S N K P A TF G Y M H O
[83] Fig. 2.X C D A T E R I Q L S N K P B Y
[84] Fig. 3.F G K C D I E M A B D
[85] Fig. 4.D K E F L B A H G C E
[86] Fig. 5.D C K L F E A G H D B
[87] Fig. 6.C D K F L E H G A D B
[88] Pag. 142.TAB. XX.Fig. 1.D L F K A E G H C L K F D B
[89] Fig. 2.D F K L C H E G A K F L D B
[90] Fig. 3.L D C A E H G B L D
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198123HOROLOG. OSCILLATOR. ſuo ipſorum æquilibrio, translata appareat. quod erat oſten-
11De centr@
OSCILLA-
TIONIS.
dendum.
Eademque de quotcunque aliis eſt demonſtratio.
Hæc autem hypotheſis noſtra ad liquida etiam corpora
valet, ac per eam non ſolum omnia illa, quæ de innatanti-
bus habet Archimedes, demonſtrari poſſunt, ſed &
alia ple-
raque Mechanicæ theoremata.
Et ſanè, ſi hac eadem uti
ſcirent novorum operum machinatores, qui motum perpe-
tuum irrito conatu moliuntur, facile ſuos ipſi errores depre-
henderent, intelligerentque rem eam mechanica ratione haud-
quaquam poſſibilem eſſe.
II.
Remoto aëris, alioque omni impedimento mani-
feſto, quemadmodum in ſequentibus demonſtratio-
nibus id intelligivolumus, centrum gravitatis pen-
duli agitati, æquales arcus deſcendendo ac aſcen-
dendo percurrere.
De pendulo ſimplici hoc demonſtratum eſt propoſitione 9
de Deſcenſu gravium.
Idem vero & de compoſito tenendum
eſſe declarat experientia;
ſiquidem, quæcunque fuerit pen-
duli figura, æque apta continuando motui reperitur, niſi in
quantum plus minusve aëris objectu impeditur.
PROPOSITIO I.
POnderibus quotlibet ad eandem partem plani
exiſtentibus, ſi à ſingulorum centris gravitatis
agantur in planum illud perpendiculares;
hæ ſin-
gulæ in ſua pondera ductæ, tantundem ſimul effi-
cient, ac perpendicularis, à centro gravitatis pon-
derum omnium in planum idem cadens, ducta in
pondera omnia.
Sint pondera A, B, C, ſita ad eandem partem plani,
22TAB. XVII@
Fig. 1.

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