Angle

Dividing the Circle: The Development of Critical Angular Measurement in Astronomy 1500-1850 (Ellis Horwood Library of Space Science and Space Technology)

Allan Chapman

Mesure des angles, hyperboles étoilées et développante.

Delphin Gautier

Measurement of Angle in Engineering

National Physical Laboratory

Maneuvers with angles. Teacher sourcebook

David A Page, Philip Wagreich, Kathryn Chval.

Angles 1

Paul Harling.

Paper-Folding: A Book about Right Angles

Jo Phillips

The trisection of any rectilineal angle

by Geo. Goodwin.

Angles

by Marion Smoothey ; illustrated by Ted Evans.

Right angles; paper-folding geometry

by Jo Phillips. Illustrated by Giulio Maestro.

The calibration of indexing tables by subdivision

Charles P. Reeve.