Genre:

Regular Feature, Miscellaneous

Subjects:

Meteorology, Natural Economy, Astronomy, Light, Instruments

People mentioned:

Gian D Cassini

    Begins with preliminary observations on the necessity of winter to purify the air, disperse 'those unwholesome and infectious vapours which would fill us with disease and death', and destroy 'innumerable multitudes of noxious insects, which otherwise would devour the few existing remains of vegetation' (92). Discusses the discovery and cause of the zodiacal light, and gives instructions for constructing an astronomical telescope.