Reeves, Glassworks, 143; the passage from Sidereus nuncius comes from Albert van Helden's translation (Chicago, 1989), 29, which Reeves uses.
2.
MontanoBenito Arias, Elucidationes in quatuor evangelia (Plantin, Antwerp, 1575), 192, note e. “He could have done this with the help of the perspective or optical art, which the devil knows; as by the same art we make inspicilla, which bring very distant objects very exactly before the eyes”.
