Quite likely this is the most comprehensive study ever undertaken of highly complex historical orreys. While there are many illustrations, this is NOT a coffee tabel book of pretty pictures, photographs were selected for clarity of showing mechanisms, not for aesthetics. The book is a serious work of scholarship into the underlying philosophy, the history, and the mechanics of 18th century modeling of the heavens. Book review by Fortunat Mueller-Maerki, Scarsdale NY Return to Horology home page. These pages may be downloaded onto a hard disk or printed for your personal use provided that you include this copyright notice on each copy and that you make no alterations to any of the pages and do not use any of the pages in any other work or publication in whatever medium stored.
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