Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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1

porum leuitatem in mercurio.
Tranſuerſa­
ria duo EF, CD planè æqualia, bifariam di­
42[Figure 42]
uiſa in A & I, in­
ſerui tigillo AB ita,
vt circà axiculos A
& I facilè verſatilia
eſſent, additâ lin­
gulà, quæ æquili­
brium indicaret.

Extremitati C ſty­
lum deorſum ver­
gentem adieci, qui
ſubiectum corpus tangeret; & ex ſuperioris
iugi EF extremitate E, lanx H pendebat:
reliquæ extremitates FD filo iungebantur æ­
quali interuallo AI, ne alterum iugum ſinè
altero moueretur; additumque eſt plumbi
momentum brachijs.
AF & ID, vt fieret
æquilibrium cum lance H & ſtylo addito in
C; adeò vt iuga EF, CD ſemper inuicem &
horizonti parallela eſſent, niſi accepto ex­
trinſecùs impetu remouerentur à paralle­
liſmo.
LXXXV
Instrumen­
tum, quo ex­
aminari poſ­
ſunt leuitaſ
tes.
corpora
in medio
grauiore, &
media ipſa
comparari
ſecundùm̨
grauitatem.
Tum vaſculum KL ritè collocatum mer­
curio implebam, & ſolidum, cuius exami­
nanda erat leuitas, mercurio impoſitum ita
ſubijciebam ſtylo C, vt pondere in lance H
deorſum vrgente attolleretur F & D, ac proſ

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