This Daj is published, Price 5i. 6d. boards, 



N OUTLINE of MINEilALOGY and GEOLOGY, iutQnd»4 

 .'for the XJ;?. of fliose who may desire to becoipe acquainted with 

 the Eijmer.ts oi those Sciences, especiaiiy of Young Persons, Illustrated 

 by Four Piatts. 



By WILLIAM PHILLIPS, 

 Member of the Geological Society. 



London: Pi inted and sold by WiUiam Phiiiips, George Yard, Lom- 

 bard Street. 



This Day wus published, handsomely printed in 2 Volumes^ ^tc. 

 Price 6i. 6.t. in I^oards, a New Edition, of 



A PHILOSOPHICAL and ZvlATHEMATICAL DICTIONARY; 

 confairing an Explanation T)f tbc Terms, and ah Account of the 

 seyeral Subjects comprised under the Heads Mathematics, Astronomy, 

 and Philosophy; both Natural «nd Experimental ; with an Historical A.C- 

 couut of the Rise, Progress, a^d Present Slate of these Sciences: also Mer 

 moirs of the Lirci and Writings of the most erniu'':nl Authors, both Aft. 

 cient and Modern, who by their JOiscoveiies or Improvements have ooR- 

 tributed to the advancement of them. 



Ey CHARLES HDTTON, LL.D. F.R.S, &c. Sec. 



f'l inteu for the Author ; F. C. ;md J. Rirington ; J. Cuthe'll ; Law and 

 Whittaker ; Longman aad Co,; Cadeil and Davies ; J, Miiwman; Blaci', 

 •parry, and Co.; Baldwin and Qr.\ J, BDOk'T- ;. G. and- S. Robinson t 

 T. Hamilton; Walkfer and Edvraidsj John Robinson; B. Rf.nolds| 

 and Simpkin and Marshall. 



*,n* 1 he Alterations, Additions, and other Imipvovemcnts are go nuf 

 merous, and so large, as entitle tlie present Edition to be considered almost; 

 as an entire new Work. 



ENGRAVINGS. 



Vol. XL. A Plate to illustrate the Foundation of Mr. Wit^liam Jones's ' 

 temporary Corn Rick. — Mr. Stepheks's Method of dividing Bricks.—- 

 Section of Mr. William Jones's temporary Corn Rick.— Mr. Waistelu's 

 Improvement on the Acorn Dibble. — A Plate to illustrate Mr. Tawnet's 

 New Thrashing Machi^ e, — Two Octavo Plates descriptive of a New Ma- 

 chine for Pump'rig Water. — Two Dates desc-iptive. of the Muscular Mo^ 

 tion of Snakes —Figures to illustrate such Portions of a Sphere as have 

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

 Difi'erential Thermometer.— -FormationofOvalslbr Gardeners. — CHAVASSJi's 

 Marine Tranait.— A Plate to illustrate Mr. Brodie's Experiments en 

 the Influence of the Brain on the Generation ofAnimal Heat. 



Vol. XLl. Pepvs^s MercuiSal Voltaic Conductor. — Leslie's 'Dif- 

 ferential Thermometer. Diagrams to illustrate Di. Wollastos's Peril 

 scopic Camera Obscura and Micro£«;ope. — Count Rumford's improved- 

 CoiFee-pot--. — Mr. Goss's Instrument to Avork Addition of Numbers 

 with Accuracy and Dispatch. — Mr. D.-vvis's hanging Scaffold; and 

 Mr. Mar*i is's Method of relieving a Horse from a Cart when fallen 

 dovT. in its Sh.nfts. — A Quarto Plate to illustrate Mr- .1. Hicks's Ac- 

 count of the Situation andlvlaans of raising the Royal George. — A Plato 

 CO illustrate Mr. i?doThf;K.N's Essay on- th§ Equilibrium of a ComBmatiou 

 of Beams, Blocks, &c. and on the Polygon of Forces.— A Plate to illustratt 

 Mr. Steevens's Account of a Meteor seen at London and other Places in 

 March last.-1-A Plate to illusuate Mr, Machsll's Annular Sa*» 



