1mediam noctem Lunâ infra horizontem
poſitâ, nubeculam quandam lucidam prope
Meridianum fere uſque ad Zenith diffuſam
quæ conſider at is omnibus non poter at niſi à
ſole illuminari; ideoque altior eſſe debuit
tota umbr a terræ. Addit (continues Ricci
olus) ſimile quid eveniſſe Michaeli Angelo
Riccio apud Sabinos verſanti nempe viro
in Matheſi eruditiſsimo.
poſitâ, nubeculam quandam lucidam prope
Meridianum fere uſque ad Zenith diffuſam
quæ conſider at is omnibus non poter at niſi à
ſole illuminari; ideoque altior eſſe debuit
tota umbr a terræ. Addit (continues Ricci
olus) ſimile quid eveniſſe Michaeli Angelo
Riccio apud Sabinos verſanti nempe viro
in Matheſi eruditiſsimo.
Various Obſervations made at the
feet, tops, and interjacent parts of high
Mountains, might perchance ſomewhat
aſſiſt us to make an eſtimate in what pro
portion, if in any certain one, the higher
Air is thicker then the lower, and gheſs
at the diſ-form conſiſtence, as to laxity
and compactneſs of the Air at ſeveral
diſtances from us. And if the difficul
ties about the refractions of the Celeſtial
Lights, were ſatisfactorily determin'd,
that might alſo much conduce to the pla
cing due limits to the Atmoſphere (whoſe
Dimenſions thoſe Obſervations about
Refractions ſeem hitherto much to con
tract.) But for the preſent we dare not
pronounce any thing peremptorily con
cerning the height of it, but leave it to
further inquiry: contenting our ſelves to
have manifeſted the miſtake of divers
feet, tops, and interjacent parts of high
Mountains, might perchance ſomewhat
aſſiſt us to make an eſtimate in what pro
portion, if in any certain one, the higher
Air is thicker then the lower, and gheſs
at the diſ-form conſiſtence, as to laxity
and compactneſs of the Air at ſeveral
diſtances from us. And if the difficul
ties about the refractions of the Celeſtial
Lights, were ſatisfactorily determin'd,
that might alſo much conduce to the pla
cing due limits to the Atmoſphere (whoſe
Dimenſions thoſe Obſervations about
Refractions ſeem hitherto much to con
tract.) But for the preſent we dare not
pronounce any thing peremptorily con
cerning the height of it, but leave it to
further inquiry: contenting our ſelves to
have manifeſted the miſtake of divers
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