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# Title: [Observationes Diametrorum Solis Et Lunae Apparentium, Meridianarumque aliquot altitudinum Solis & paucarum fixarum] Observationes Diametrorum Solis Et Lunæ Apparentium, Meridianarúmque aliquot altitudinum Solis & paucarum fixarum (shelfmark Leibn. Marg. 130)
# Folio 445, page id 1016735707:0463
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De novis mensuris Geometricis.
mendum est, presercim de ferreo, nam crebris didici experimentis, filum ferreum.
quo vix subsilius inveniripocerat, etiam praerave pondus sustinens, intra mul
10s dies, quibus illud idenridem meciebar, nihil ant insensibiliter esse productum.
E Z E ML P L IIM.
Te  Mlacciis Anur 1668, Fecimagnum Dexpendiculum e globo plumbeo,
cujus diamerer erae unius circicer digiri Geomerrici: et S Flo Ferreo ce-
nuissimo, cujus summicas, Facilioris d dincurnioris inocus causd, cermina-
Pacur humano capillo sed quadruplici, ne rumperetur: d dimidiicantum digici
longiendinem habence, ne producereeur. Perhciebae aucem ribeationes sm-
Plices 1085  tempore criginca scrupulorum primorum, ue repecira Exepius
mumeratione didici. Postea lonsicudinem illius dimensus sum, Ope maONX
regulae in minurissimas partes aquales dirila; eamque reperi constare pedibus
Bononiensibus7, pollicibus r, cum cencelimis 58 =: idest pollicum Bononien.
sium cenresimis 8558 ==: P. quibus, e enumero ribrationum simplicium 1252,
qui coneruie Perpendiculo Virsae Geomerriex aquali, collisirur ejuldem
Virsx Ccomecrica lonsicudo. Nam,
Ve Ouadram vibrat. simpl. Perp. Virea Ceometriea aequalis-
1252
C
Ad Ouadrat. vibrationum simpl. Perpendiculi assumpri  2085=
e
Ira loneindo Perpendiculi assumpii
PaTE. 8558 = 3,93239,8
10,00365,5
Ad loneicudinem Perp. Vireae Geometrisa aqualis ParE. 6433= 3,80845,0
Tgicur Perpendiculum Virgx Gcomerricx aquale cst parricularum 6433 ;
quae sune pollicum Bononienlium cencelimae: sed Virga Geomerrica ex dictis
cap. 2, cs carumdem parricularum 64367: _ proindc hac nostra operatio d
vericace defecieparticulis fere ceibus, qui detectus in menlura canca proceriraris
non estmasni momenei.
ALTUD EZEMPL UM.
le 29, X 30Marrii, Anni 1668: idem quod supra Perpendiculum aliquan-
tilper decurrarum absolrebae, inera hora lemillem, vibrariones simpli-
ces 1090 = ue laepissime animadverei. Longieudo illius erat Bononienlium
Pedum 7: Pollicum 0, cum centesimis 8g: seu Bononienlium pollicum conri-
nebac cenceam a5 8459, E gnibus, ex c numero ribeacionum simplicium 1252,
quae debencur Perpendiculo Vicgx Geometricae aequali; elicicur ejuldem Vir-
exe Geomerrice lonsieudo; ue lequieur. Nam,
Locarichmi.
3b9760, 4
6, T9520,8
6, 07126,0
3303563,0