1
Book I.
NEW
CONJECTURES
Concerning the
Planetary Worlds,
THEIR
INHABITANTS
AND
PRODUCTIONS
Written by Christianus Huygens, and inſcribed to his Brother Constantine Huygens.
BOOK the Firſt.
A 4
1
Book I.
NEW
CONJECTURES
Concerning the
Planetary Worlds,
THEIR
INHABITANTS
AND
PRODUCTIONS
Written by Christianus Huygens, and inſcribed to his Brother Constantine Huygens.
BOOK the Firſt.
A 4