TREATISE Four new and very concife Methods to determine the Areas of ALSO, The Method of Tracing Defaced Mearings from the Very useful to Perfons who have any Property in The whole illuftrated with Copper-plates. THE FIFTH EDITION. By ROBERT GIBSON, Teacher of the Mathematics. DUBLIN: PRINTED BY P. WOGAN, No. 23, OLD-BRIDGE. 1795. ΤΟ THE RIGHT HONOURABLE THOMAS CARTER, Efq; MASTER OF THE ROLLS, &c. &c. SIR, T HE great Knowledge You have acquired in all Kinds of Polite Literature, and the Encouragement You constantly give for the Propagation of them in general, but more particularly to the Mathematical Sciences, are Motives fufficient to direct me to dedicate this Work to you. your PANEGYRIC, SIR, is not my Province, and if it were, I know I must offend one of extensive Learning, fhould I attempt to difplay it on this Oc cafion Yet I muft fay, that if but one fourth Part of the Nobility and Gentle men of opulent Fortunes in this Kingdom, were of your unlimited generous Difpofition in encouraging Arts and Sciences, we might in a few Years be able to vie with any Country whatsoever. THAT you may long enjoy an uninterrupted State of good Health is the Wish of moft; but of none more particularly, than of, SIR, Your most obliged, moft obedient, and most affured Humble Servant, ROBERT GIBSON. |