In which the Propofitions are demonstrated in a new and
fhorter Manner than in former Tranflations, and the
Arrangement of many of them altered,

To which are annexed

Plain and Spherical Trigonometry, Tables of Logarithms from
I to 10,000, and Tables of Sines, Tangents, and Secants,
Natural and Artificial.

B Y

GEORGE

DOUGLAS,

Teacher of Mathematics in the Academy at Ayr.

EDINBURG H;

Printed for the AUTHOR, and fold by C. ELLIOT, Edinburgh,
and RICHARDSON and URQUHART, London.

M,DCC, LXXVI.

H

31

.E89
9752

776