SIMPSON'S FLUXIONS. 

 This day is pviblished, in one handsome volume, S'.'o. prTce i6s. in hoards, 



THE DOCTkINE and APPLICATION ot FLUXIONS, containing 

 (besides what is common on the subject) a number of new imi)rove- 

 nicnts in the Theory, and tiie solution of a variety of new and very inte- 

 resting Problems in different branches of the Matiiematics. 

 By THOMAS SIMPSON, F.R S. 

 To which is prefixed, an Account of his Life. 

 The whole revised and carefully corrected by William Davis, Member 

 i)f the Mathematical and Philosophical Society of London, and Author of 

 a Complete Treatise on Lanil-Surveying., 



London: printed for H. C Sy mends, lo, Paternoster-row. 

 0^ This work having long remained out of print, and sold at a very 

 advanced price, being lieUi in tlie highist estimation by mathematicians, 

 the editor judged he should be I'endering an essential obligation to the pub- 

 lie, and to scientific men in particular, by bringing it forward in its present 

 corrected state. 



Where may be had, 

 The Mathematical Principles of Natural Philosophy, by Sir Isaac New- 

 ton, translated into English by Andrew Motte. To which are added, 

 Newton's System of the World ; a short Comment on, and Defence of, the 

 Principia, by W. Emerson ; with the Laws of the Moon's Motion accord- 

 ing to gravity, by Jolin Machin. The whole carefully revised and cor- 

 rected by W. Davis, making 3 volumes Svo. price il. 7s. boards. 



NEW TREATISE. 

 Dedicated ''to the Gentlemen interested in Agriculture, and those intrusted 



with the Tuition of Youth," ice. 



This day was published, in one vohime 4to. embellished with an engraved 



plan, and six plates; together with an engraved Field Book of 17 pages, 



THE SVSTEM of LAND SURVEYING at present adopted by Survey, 

 ors and Commissioners in Old and Ne\v Inciosures, conducted as an 

 actual Survey, on a plan consisting of open Fields, Ings, Common and Old 

 Inclosure, divided and allotted .iccording to conditions of agreement be- 

 tween the several proprietors. 



Treating of the Quality, and Quality 



Lines 

 Taking Particulars 

 Proprietors and Occupiers Names 

 Book of Particulars 

 Explanation of Characters used in 



the Field Book, 5:c 



Running the Lines 



L.nying ilje Lines upon the Plan 



Plotting 



Valuing by the Commissioners 



Casting 



Takii g Dimensions 



Fii ding the Content, kc. 

 Ranging the Poles | Book of Dimensions, Castings, Sec. 



Dividing into Allotments—New Drains — New Roads — Stone and Sard 

 Pits — Aliottin|fbe Fi'.-lds, Comn'on, Ings, &c. — Old Inclosure — Setting off 

 upon the Plan each Proprietor's Quantity, according to their proportional 

 "Value — On the Fields, Common, Ings, Sec. — The setting and staking out 

 Allotments, Roads, Drains, Sand pit, &c. &c. 



To which are added. Rules, showir g in what manner Lines may be mea- 

 sured, where there are impediment;,' or not, to obstruct the sight, such»s 

 Buildings, Water, &c. Taking Distances; measuring on the outside of .my 

 quantity of Land or Water, and thereby find the Content: surviying 

 large Towns, Cities, &c. Likewise, the proper mctliod to be pursued in 

 measuri' g detached pieces of Land w.'iere plotting is no: rttjuired. 

 Tiie whole by the Cliaia only. 

 By WILLIAM STEPHENSON. L:'.nd Surveyor, 

 London : prii.ted for H. D. Symonds, Pater"oster-row^ 

 (j^ This Treatise divulgei. what has lathert 1 been kept.i secret from thr 

 public, scarcely k'own to any than its professor , and is so easy, that a 

 youth may be instructed, or teach himseU, in a short lime, as no mathcrna- 

 tical intttument is u-ed ; and gentlemen, not having leisure to make it a 

 »tudy, may, by referring from the book to ihcplan, :iiid othtr plates, be- 

 come acquainted with the proceedings of Surveyors :ind Commitsio-ieir, 

 and Plani i" general, which il so eiisntial to every one ir.iore ted in aju- 

 cultural pursuits; &c. 



