THE

geometrical square:

WITH THE USE THEREOF

I N

Plain and Spherical

trigonometrie.

Chiefly intended for the more easie finding ofthe Hour and Azimuth.

fy Samuel Foster, Sometimes Profijstr ofAstronomy, in Gresham Coiimgv,London.

*

L 0 0

Printed by R. & W. LeYbouRN.

,SM. DC. L1X.