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

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519753NOVUS CYCLUS HARMONICUS.
Numeri 2æ. columnæ ope numerorum col. 1æ. detecti fuere,
hi
ſunt illorum logarithmi reſpectivi;
ad quos habendos di-
viſi
logarithmum numeri 2.
qui eſt 0, 30102999566 per 31.
unde venit numerus N. 97106450, quem addidi continuo
Logarithmo
num.
50000, qui eſt 4. 6989700043. & hiſce
additionibus
detegimus omnes Logarithmos hujus columnæ
uſque
ad maximum 4, 9999999993, qui parum deficiens a
5
,0000000000, (in cujus locum ſubſtitui poteſt) demonſtrat
bene
ſubductum calculum.
Qui Logarithmos intelligunt no-
runt
ita ineundam computationem, ſi quærantur 30 numeri
proportionales
inter 100000 &
50000.
Ponamus, determinandum eſſe, an Quinta Vt, Sol, tem-
peramenti
vulgaris, minor ſit {1/4} Commatis, quam vera Quinta,
cujus
ratio eſt trium ad duo.
A log. Vt, qui eſt 5,0000000000
ſubſtraho
log.
Sol qui eſt 4,8252574989, id, quod

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