Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 1: Opera mechanica
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<
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xml:space
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">BREVIS INSTRUCTIO DE USU HOROLO-
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GIORUM AD INVENIENDAS
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LONGITUDINES.</
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ſcillatoria in navem ferantur: </
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<
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xml:space
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">ut ſi al-
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terutrum forte fortunâ vel ex negli-
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gentia quieſcat; </
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<
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xml:space
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">vel ſi diuturnitate
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temporis contractis ſordibus, purgan-
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dum ſit, alterum nihilominus movea-
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tur; </
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<
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">præſtaret autem 3 vel 4 adhibere
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horologia.</
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">Cui cura horologiorum committetur, diſcat a fabro quæ
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ſpectant indices horarum minutarum primarum & </
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rum, internas etiam horologiorum partes intelligere, & </
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cendi ea methodum.</
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">Horologia in navi ſuſpendenda ſunt in loco arcte clauſo,
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ubi tuta ſunt ab humore vel ſordibus, & </
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">ne diſturbentur con-
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tactibus: </
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xml:space
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">Et ſi locum illum in media navi prope malum
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principem ordinare poſſemus, multum præſtaret, quoniam
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ibi motus minimus eſt.</
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">Antequam horologia in navem inferantur, conabimur ea
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aptare ad rectam dierum menſuram, tum enim uſus eſt facil-
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limus, nulluſque fabris labor eſt ad unum bene adaptatum
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horologium alia accommodare. </
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">Sed ſi tamen tempus vel op-
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portuna id præſtandi occaſio defuerit, nihilominus poterunt
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æque certe mari uſurpari, dummodo obſervaveris vel ſcias,
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quanto citius vel tardius ſpatio 24 horarum moveantur, ut
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poſtea docebitur.</
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