Musschenbroek, Petrus van, Physicae experimentales, et geometricae de magnete, tuborum capillarium vitreorumque speculorum attractione, magnitudine terrae, cohaerentia corporum firmorum dissertationes: ut et ephemerides meteorologicae ultraiectinae

Table of Notes

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402388DISSERTATIO11
& Dordracum # 5897. 8.
Ex obſervatis autem angulus S R F # 54 gr. 12 ſcr.
Et angulus R S F # 48 gr. 15 ſcr.
Unde reliquus R F S datur # 77 gr. 33 ſcr.
Quare per doctrinam triangulorum datur S F di \\ ſtantia inter Goudam & Rotterodamum # 4888. 8.
Et R F diſtantia inter Dordracum & Rotteroda- \\ mum # 4506. 1.
Atqui diſtantia inter Goudam & Rotterodamum an- \\ tea in Problemate V. fuit inventa # 4883. 1.
Quamobrem iſta ſatis arcte inter ſe conſentiunt.
XXIV. Problema.
Triangulum R T F, Dordracum, Willemſtadium,
Rotterodamum.
22
Per Problema XXIII datur R F diſtantia inter Dor- \\ dracum & Rotterodamum # 4506. 1.
Et ex obſervatis angulus F R T # 86 gr. 19 ſcr.
Et angulus R T F # 41 gr. 10 ſcr.
Unde reliquus R F T datur # 52 gr. 31 ſcr.
Atque inde per doctrinam triangulorum quoque da- \\ bitur R T diſtantia inter Dordracum & Ilermopo- \\ lin # 5432. 0.
Et T F diſtantia inter Ilermopolin & Rotte roda- \\ mum # 6831. 2.
XXV. Problema.
Triangulum R T V. Dordracum, Willemſtadium,
Breda.
33
Per Problema XXIV datur RT diſtantia inter Dor- \\ dracum & Ilermopolin # 5432. 0.
Ex obſervatis autem angulus T R V # 66 gr. 11 ſcr.

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