ENCYCLOPiEDIA BRITANNICA, 



On Monday ihe 4th of December v:il\ be published, handsomely printed 

 in Quarto, Price 1/. 5s. in boards, Volume First, Part First, of the 



SUPPLEMENT to the ENCYCLOPiEDIA BRITANNICA; with 

 a Preliminarv Dissertation, exhibiting a general View of the Pro- 

 gress of Metaphysical, Eihical, and Polh'tciil Fhlloiophy, since the Revival of 

 Letters in Europe. ' ; 



By DUGALD STEWART, Esq. F.R.S. Lond. and Edin, ■ 



To the Second Volume thcje will be prefixed a similar View of the Pro- 

 gress of Mathematical and Physical Science by Professor Playfair; 

 and the Publishers beg loave generally to mention, that the Vv^'ork is ar- 

 ranojed upon a plan calculated not only to complete the Enc)fclopEdia 

 Brilannica in all its departments, but to afiord within Hiclf^ comprc-hen- 

 sire view of the progress and present state of the Arts and Sciences, and 

 of General Literature. . The List" of the Contributors has been long before 

 the public, and contains many of the most eminent literary names tliat 

 this country can boast. The present Kalf Volume is illustrated with Fifr. 

 teen Plates, engraved (from original Drawings) by the first Artists of 

 London and Edinburgh, 



Printed for Archibald Constable and Company, Edinburgh : Sold by 

 Gale and Fenner, London; Thos. Wilson and Sons, York; Robinson 

 sen. and Holdsworth, Leeds ; Jolm Gumming, Dublin ; and to .be had 

 of every Bookseller throughout tlie United Kingdom. Of \vhom may be 

 had, the ENCYOLOt'/EDiA'BRiTANhMCA, 20 Volumes, Fifth Edition, price 

 36/. boards. , 



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ENGRAVINGS. 



Vol. XL. A Plate to illustrate the Foundation of Mr. William jONts's 

 tcmporaty Com Rick. — ^Ir. Stephens's Method of dividing Eiicks. — ? 

 Section ot Mr. William Jonis's temporary Corn Rick. — Mr. Waistrll's 

 Improvemtnt on the Acorn Dibble. — A Plate to illustrate Mr, Tawney's 

 New Thrashing Machine, — Two Octpvo Plates descriptive of a New Ma- 

 chine for Pumping Water. — Two Mates descriptive of the Muscular Mo- 

 tion of Snakes. — Figures to illunrate such Po.:tions of a Sphere as hiive 

 their Attraction expressed by an algebraic Quantity. — Van Helmont's 

 DifferentialThermonieter. — Formation of 0\'alsforGardenersj — CHAVASt.»''s 

 Marine Transit. — A Plate to illustrate Mr. Brodje's Experiments on 

 the Influence of the Brain on thfe Generation of Animal Heat. 



Vol. XLI. Pepys's Mercurial- Voltaic Conductor. — Leslie's Dif- 

 ferential Thermometer. Diagrams to illustrate Dr. Wollaston's Peri- 

 scopic Camera Obscura and Microscope. — Count Rumfojr.d's improved 

 Coifee-pots. — Mr. Goss's Instrument to work Addition of Numbers 

 witli Accuracy and Dispatch. — Mr. 'Davis's hanging Scaffold; and 

 Mr. MARTis't Method of relieving ii Florse from a Cart when fallen, 

 dov'u in its Shafts,-— A Quarto. Plate to illustrate Mr. J. Hicks's Ac-, 

 count of the Situation and Means of raising tlie Royal George. — A Plate 

 to illustrate Mr. Southern's Essay on the Equilibrium of a Combination 

 of Bean:s, Blocks, Sec. and on the Polygon of Forces. — A Plate to illustrate 

 M/. Stb even s's Account of a Meteor seen at London and other Places ift 

 March last. — A Plate to illustrate Mr< M^chevl's Anuular Saw. 



