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 contents

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[381.] EXPERIMENTUM XIX.
[382.] EXPERIMENTUM XX.
[383.] EXPERIMENTUM XXI.
[384.] EXPERIMENTUM XXII.
[385.] EXPERIMENTUM XXIII.
[386.] EXPERIMENTUM XXIV.
[387.] EXPERIMENTVM XXV.
[388.] EXPERIMENTUM XXVI.
[389.] EXPERIMENTUM XXVII.
[390.] EXPERIMENTUM XXVIII.
[391.] EXPERIMENTUM XXIX.
[392.] EXPERIMENTUM XXX.
[393.] EXPERIMENTUM XXXI.
[394.] EXPERIMENTUM XXXII.
[395.] EXPERIMENTUM XXXIII.
[396.] EXPERIMENTUM XXXIV.
[397.] EXPERIMENTUM XXXV.
[398.] EXPERIMENTUM XXXVI.
[399.] EXPERIMENTUM XXXVII.
[400.] EXPERIMENTUM XXXVIII.
[401.] EXPERIMENTUM XXXIX.
[402.] EXPERIMENTUM XL.
[403.] EXPERIMENTUM XLI.
[404.] EXPERIMENTUM XLII.
[405.] EXPERIMENTUM XLIII.
[406.] EXPERIMENTUM XLIV.
[407.] EXPERIMENTUM XLV.
[408.] EXPERIMENTUM XLVI.
[409.] EXPERIMENTUM XLVII.
[410.] CAPUT TERTIUM. De Cohærentia Abſoluta Metallorum.
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page |< < (369) of 795 > >|
383369DE MAGNITUDINE TERRÆ.11
Et præterea A EI # 42 gr. # 20 ſcr.
Cumque inſuper dentur E A O 23 gr. 36 ſcr. & A O E 17 \\ gr. 9 ſcr. dabitur quoque in triangulo A O E angulus tertius \\ A E O # 139 gr. # 5 ſcr.
Danturque ex obſervatis ſinguli O A E # 23 gr. # 36 ſcr.
Et angulus A O E # 17 gr. # 9 ſcr.
Et latus A E # 1853. # 6. 3.
Unde per triangulorum canones datur O E # 2516. # 6. 6.
Et denique A O diſtantia inter Hagam & Leidam # 4103. # 3. 6
VI. Problema
Eadem diſtantia inter Hagam & Leidam aliter tentata.
Tab. XV. fig. 12. Necdum adeo ipſe mihi ſatisfeci, niſi hanc
eandem diſtantiam, quæ tam nobilis &
excellentis epichrematis ba-
ſis futura ſit, cum iſta conſentire etiam alia via demonſtraverim:
etſi non tanta cum fiducia hoc pronuntiare auſus fuiſſem, niſi inſti-
tuti operis arctus conſenſus me eo quaſi manu duxiſſet.
Quamob-
rem illud idem quoque ex prima baſi ſeuLeidæ &
Soeterwoudæ in-
tervallo explicare aggrediar.
22
Intercapedo inter Leidam & Soeterwoudam A E per ſexti capi- \\ tis calculum eſt # 1092. # 3. 3.
Et angulus I A E ex obſervatis # 60 gr. # 32 ſcr.
Et angulus I E A # 104 gr. # 32 ſcr.
Unde tertius A I E datur # 14 gr. # 56 ſcr.
Atque ideo per triangulorum doctrinam dabitur la- \\ tus A I # 4103. # 2. 1.
Et latus E I # 3690. # 5. 2.
Certe ob exilitatem anguli A I E verebar ne calculus quidtur-
baret, &
vix ad unam aut alteram decempedam, vel etiam pluſcu-
las addicere auſus fuiſſem, niſi operis eventus arctiſſimum utriuſque
abaci conſenſum exhibuiſſet:
differentia enim inter hujus & quinti
problematis numeros eſt duntaxat ſesquipedis, quod vel optare im-
probum videbatur.
Atque adeo cum utriuſque operis eventus

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