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

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278176CHRISTIANI HUGENII à centro oſcillationis penduli compoſiti ſurſum ſumendæ, ut
11De centro
OSCILLA-
TIONIS.
habeatur locus ponderis D, unius ſcrupuli primi accelera-
tionem præſtans tempore 24 horarum.
Eodem modo reli-
quas diſtantias, quibus virga dividenda eſt, calculo inveſti-
gavimus, aliam atque aliam ponendo longitudinem p:
eas-
que ſubjecta tabella exhibemus, ſecundum cujus numeros
etiam virga penduli diviſa eſt, quæ ſuperius in deſcriptione
horologii fuit exhibita.
Procedunt autem accelerationes diur-
næ, ut jam illic advertimus, per 15 ſcrupula ſecunda, ſeu
primorum ſcrupulorum quadrantes.
Ex. gr. ſi, pondere mo-
bili D hærente in parte 73, 4, inveniatur horologium tar-
dius juſto incedere, in 24 horis, differentiâ 15 ſecundorum
ſcrupulorum;
oportebit ſurſum adducere pondus D, usque
ad numerum 85, 6, ut corrigatur.
22
Acceleratio horolog@i \\ ſpatio 24 horarum. # Partes, à centro oſc. \\ ſurſum accipiendæ.
Scrup. pr. Sec. # Lineæ & decima linearum pedis horarii.
0, 15 # 7, 0
0, 30 # 15, 2
0, 45 # 23, 7
1, 0 # 32, 6
1, 15 # 41, 9
1, 30 # 51, 7
1, 45 # 62, 2
2, 0 # 73, 4
2, 15 # 85, 6
2, 30 # 99, 0
2, 45 # 114, 1
3, 0 # 131, 8
3, 15 # 154, 3
3, 30 # 192, 6
Centrum oſcillationis altius eſt centro gravitatis C parti-
bus 1, 4.

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