Nine geometricall exercises,
for young sea-men, and others that are studious in mathematicall practices ... 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.

APA Citation

Leybourn, W. (1669). Nine geometricall exercises: for young sea-men, and others that are studious in mathematicall practices ... 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. London: Printed by J. Flesher for W. Hayes.

MLA Citation

Leybourn, William, 1626-1716. Nine Geometricall Exercises: for Young Sea-men, And Others That Are Studious In Mathematicall Practices ... 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. London: Printed by J. Flesher for W. Hayes, 1669.