Nine geometricall exercises, for young sea-men, and others that are studious in mathematicall practices: containing IX particular treatises, whose contents follow in the next pages. All which exercises are geometrically performed, by a line of chords and equal parts, by waies not usually known or practised. Unto which the analogies or proportions are added, whereby they may be applied to the chiliads of logarithms, and canons of artificiall sines and tangents. By William Leybourn, philomath

People / Organizations
Imprint
London: printed by James Flesher, for George Sawbridge, living upon Clerken-well-green, anno Dom. 1669.
Publication year
1669
ESTC No.
R213612
Grub Street ID
89025
Description
[12], 192 p., plates : ill., port. ; 4°.