Dividing the circle : development and critical measurement of celestial angles (1500-1850) / Allan Chapman.

p. ;, 25 cm.

QB147 .C48 1990 c.2

Astronomers., Astronomical instruments -- History., Coordinates -- Measurement -- History., Angles (Geometry) -- Measurement -- History., Spherical astronomy -- History.

New York :: E. Horwood, 1990.

Book