Sidereal Chromatics : Being a Re-Print, with Additions from the Bedford Cycle of Celestial Objects and its Hartwell Continuation on the Colours of Mul (Paperback)

Introductory letter; 1. A re-print, with additions, of the remarks on the colours of double stars contained in the third chapter of the Cycle of Celestial Objects, under the title of 'A glance at the sidereal heavens'; 2. The colours of double stars continued: being a re-print of the seventh chapter of the Speculum Hartwellianum, with additions, and a proposed diagram of colours; Appendix.