P H I L O S O P H I C A L

Tranſactions:

GIVING SOME

ACCOMPT

OF THE

Preſent Undertakings, Studies, and Labours

OF THE

I N G E N I O U S

IN MANY

CONSIDERABLE PARTS

OF THE

WORLD

Vol. IV.

For Anno 1669.

In the SAVOY,

Printed by T.N. for John Martyn at the Bell, a little

without Temple-Bar, Printer to the Royal Society, 1670.