Oxley, Thomas, Esq. ‘The Gem of the Astral Sciences, or Mathematics of Celestial Philosophy; with Improved Formulae, and all the Rules of Calculations Used Therein; New and Expeditious Tables of Right Ascensions & Declinations of the Planets, and Four Large Copper-Plates, With Ample Instructions, Illustrating the Use and Construction of the Celestial Planispheres; also, an Original Treatise on Performing These Calculations for Australia, New Zealand, Van Dieman’s Land, and All Other Places in the Southern Hemisphere; With Much Useful Information, Not to be Found in Any Other Book Yet Extant’ Published by Simpkin, Marshall, & Co., Paternoster Row, London, 1848.
Two copies. Both copies: original cloth boards rebacked with newer cloth spine. xvi + 191pp + [1 page of advertisements] + [4 fold-out charts]. Copy B: with extensive inked underlining to preface and first 27 main pages.
About this Book Scan
Carefully scanned in full colour from the better of our two original printings of the 1848 first edition.
Prominent mid-19th-century English astrologer Thomas Oxley’s second major textbook, The Gem of the Astral Sciences, was published in 1848, and is reproduced here in its entirety. As the extended title indicates, it is chiefly a technical, mathematical treatise on the calculations associated with natal astrology.