1 Table of Contents: “...-Muradi, by Rafael López-García et al. -- The astrolabe: a mechanism for reading the stars, by Barbara...”

2 Table of Contents: “... -- 2. Expressions for Astronomical Refraction -- 3. Refraction Problems in VZT, PZT and Astrolabe...”

3 Table of Contents: “... -- The Armillary Sphere -- The anaphoric clock -- The astrolabe -- The mystery of the Antikythera mechanism...”