Context of A mathematical and philosophical dictionary: : containing an explanation of the terms, and an account of the several subjects, comprized under the heads mathematics, astronomy, and philosophy both natural and philosophical: with an historical account of the rise, progress, and present state of these sciences: also memoirs of the lives and writings of the most eminent authors, both ancient and modern, who by their discoveries or improvements have contributed to the advancement of them. In two volumes. With many cuts and copper-plates., By Charles Hutton, LL.D. F.R.SS of London and Edinburgh, and of the Philosophical Societies of Haarlem and America: and Professor of Mathematics in the Royal Military Academy, Woolwich. Vol. I. [-II.]