PHILOSOPHICAL

TRANSACTIONS,

GIVING SOME

ACCOUNT

OF THE

Preſent Undertakings, Studies, and Labours,

OF THE

INGENIOUS,

IN MANY

Conſiderable Parts of the WORLD.

VOL. LIII. For the Year 1763.

LONDON:

Printed for L. Davis and C. Reymers,

Printers to the Royal Society,

against Gray's-Inn Gate, in Holbourn.

M. DCC. LXIV.