Published by Adam and Charles Black, Edinburgh, 1839
First Edition Signed
Hardcover. Condition: Good. First Edition. Hardback. A good copy in the original patterned boards, originally mauve or purple but now considerably faded. The gilt lettering on the spine remains clear. The book is inscribed as follows: To Dr. Traill from the Author Feb. 18th 1839."The ex libris label of Thomas Stewart Traill is on the front fixed end-paper. Traill was Professor of medical jurisprudence at the University of Edinburgh and the main editor of the Encyclopaedia Britannica from 1852 to 1861. Pp.xiii,155. Three folding diagrams at rear. Various figures in the Appendix. Two loose pages which came with the book (one a continued errata page, the other described as a Supplement to Article 112) remain present. The author writes: "In this Tract ----the reader will find a very considerable number of new propositions, interesting in themselves as speculative truths, and remarkable, by their connecting Theories hitherto considered as but slightly, if at all related." The author was emeritus professor of mathematics in the University of Edinburgh. Signed by Author(s).