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

Table of figures

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[101] Fig. 5.D D D E F E B A C H K
[102] Pag. 160.Fig. 1.F D D @ N A L C H K M
[103] Fig. 2.D D D F B A L C H K
[104] Fig. 3.C A B
[105] Fig. 4.B A K C E D G
[106] G D E C A K B
[107] G D K C A B
[108] Fig. 5.K B K A C E D F
[109] Fig. 6.Q B Q O N A C E D R P F
[110] Pag. 164.Fig. 1.G B O N C R P F
[111] Fig. 2.G B R F
[112] Fig. 3.A E C F B
[113] Fig. 4.A C E D F B
[114] Fig. 6.A B C G D L
[115] Fig. 5.H A O M R L N
[116] Pag. 166.TAB.XXV.Fig. 1.A O C G D L N
[117] Fig. 2.A B C G D L N
[118] Fig. 3.O C D A K B N E F C D L M
[119] Fig. 4.O A C D F E K B N C L D M
[120] Fig. 5.E A G F H K B D C
[121] Pag. 170.TAB. XXVI.Fig. 1.Ω O Ω A Z R F R N E N R G S V P Φ Δ V B D K C
[122] Fig. 2.L O A V P Φ Δ V B E C S H D
[123] Fig. 3.F G E G P A P K K L B D B S
[Figure 124]
[Figure 125]
[126] Pag. 188.TAB.XXVII.Fig. 1.O V VA M N D N B O E CE A G B D C F
[127] Fig. 2.S Z G F H Y
[128] Fig. 3.D A D M T C
[129] Fig. 4.A E N D C
[130] Fig. 5.K D B G A F E H
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12075HOROLOG. OSCILLATOR. traque parte centri Z, & ſit G H, earum quæ ſunt à parte
11De motu
IN Cy-
CLOIDE.
B, centro proxima, vel per ipſum centrum tranſeat.
Itaque
tangentes omnes inter G H &
B O comprehenſæ, ut H K,
L M, N O, ſingulæ ſuis arcubus minores ſunt .
22Prop. 16.
huj.
autem &
tangens G F, arcu ſequente F D minor eſt , & 33Prop. 17.
huj.
ſimiliter tangens E D arcu D A.
Itaque tangentes omnes
inter B O &
C D interjectæ, minores ſunt arcubus B H &
F A, ac proinde omnino minores arcubus B H, H A, ſive
arcu B A, quod erat primo oſtendendum.
Porro jam demonſtrabimus tangentes omnes inter B O & A
majores eſſe arcu A N.
Enimvero parallela G H, vel pro-
pius centrum Z tranſit quam parallela E F, quam pono
proximam eſſe earum quæ à parte A tranſeunt, vel erit re-
motior, vel æque diſtabit.
Quod ſi E F longius à centro vel æque remota eſt ac G H,
erit tangens F G major arcu ſuo F H, &
reliquæ tangen-
tes verſus A, nimirum E D, C A majores ſingulæ arcubus
44Prop. 15.
huj.
ſuis ;
adeo ut omnes ſimul G F, E D, C A majores ſint arcu H A. ſed & arcu H L major erit tangens L M , & 55Prop. 19.
huj.
arcu L N tangens N O;
itaque tangentes omnes, præter
H K, majores ſimul erunt arcu A N;
multoque magis, ac-
cedente ipſa H K, tangentes omnes inter A &
B compre-
henſæ arcu eodem A N majores erunt.
Si vero G H à centro longius diſtat quam E F, erit tan-
gens K H major arcu H F , &
tangens M L ut ante 66Prop. 19.
huj.
jor arcu L H, &
tangens O N major arcu N L, & omnes
proinde tangentes O N, M L, K H majores arcu N F.
Sed & tangens E D major eſt arcu ſuo F D , & 77Prop. 11.
huj.
C A major ſimiliter arcu ſuo D A.
Itaque tangentes omnes
inter B O &
A, præter G F, majores erunt arcu N A;
multoque magis tangentes eædem, accedente G F, hoc eſt,
omnes quæ inter B O &
A interjiciuntur, eodem arcu N A
majores erunt.
Ex his vero etiam demonſtratio manifeſta eſt in caſibus
aliis, qualiscunque ſemicircumferentiæ arcus accipiatur,
quippe cum vel eadem ſit ubique, vel pars tantum præce-
dentis demonſtrationis.

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