MATHEMATICAL
DISCOURSES
AND
DEMONSTRATIONS,
TOVCHING
Two NEW SCIENCES; pertaining to
THE
MECHANICKS
AND
LOCAL MOTION:

BY
GALILÆVS GALILÆVS LYNCEVS,
Chiefe Phylosopher and Mathematitian to the most
Serene GRAND DVKE of TVSCANY.
WITH
AN APPENDIX OF THE
Centre of Gravity
Of some SOLIDS.

Englished from the Originall Latine and Italian,
By THOMAS SALUSBURY, Esq;

LONDON,
Printed by WILLIAM LEYBOURN, Anno Dom.
MDCLXV.