Stories by Margaret Walton Mayall

Part IX--The Principle and Construction of the Armillary Sphere

Part VIII--Lines of Declination for Dials in Planes Parallel to the Earth's Axis

Part VII--Lines of Declination on Different Types of Dials

Lines of Declination; Signs of the Zodiac

Materials for Construction; Calculating Time

Declining and Reclining Dials

The Construction of North, East, and West-Facing Dials, and Polar Dials

Determining a Meridian Line and the Declination of a Plane. Construction of the South Vertical Type of Dial

Planning Simple Equatorial and Horizontal Dials