CONTENTS. 



r'emher i8ci. jihridged by Luke Howard, Efq. from 

 Journal de Chimie by J. B. Fan Mons Page i6i 



XXX. Copy of a Letter from M. DE Drke, Brothtr-in- 

 Lavj to M. DE DOLOMIEU, to Profeffor PiCTET, of 

 Geneva - - - - l6< 



XXXI. Notices relative to the Sciences and Arts in France 167 

 XXXI r. Objervations on Maddering; together luith a fiinple 



and certain Proccfs for obtaining^ with great Beauty and 



Fixity, that Colotir known under the Nahie of the Turkey 



or Adrianople Red. By J. M. Haussman - I70 



XXX If I Notices refpe&ing New Books - 17^ 



XXXTV. Proceedings of Learned Societies - i8l 



XXXV. JntelUgence and Mi/cellaneous Articles 184 



XXXVI. On the Fujion of M Heable Iron zu'it.. various Kinds 

 of Gtajs ; being a Continuation of the Examination of 

 C ClouEt's Procefs for making Caji Steel. By V '^ID 

 MusHET, E/^. of the Calder Iron /Forks - 193 



XXX VI I. Hijlory if Ajlronomy for the Year 180T. B^ 



.Terome Lalandh - - lrj9 



XXXV^III. Analyfis of the Arfeniates of Co per and of Iron. 



By RtcH.\RD ChkneVtx, Efq. F^.R.S.M R.I. A. 213 



XXXIX. Comparifon of the Definitive Metre %uitb a Standard 



of the EngUjh Meafnrcs., carried from London to Paris by 



^M. A. PiCTET, Profejfor of Philofophy at Geneva 229 



XL. Letter from Count MoRozzo to Cl. Lacepede, re~ 



fpeding a P rrot hatched at Rome ; together with fame 



Olfcrvations on the Duration of the Life of thefe Birds 



235 

 XLI. DefcriHion and Natural Hijlory of the Wild Goat 

 of the Alps. By M. Berthout Van Berchkm jun. 



247 

 XLIf. On the Spiral Fibration of a Stick or Rod. By 



G. F. F. Chladni 



259 



XLIII. Obfervations on Madayring ; together with a fiviple 

 and certain Procefs for obtaining, with great Beauty and 

 Fixity, that Colour known under the Name of the Turkey or 

 Adrianople Red. By .1. M. li a u s s m a n n - 260 



XLIV. yl neiu Method of feparating Silver alloyed with 

 Copper in Bullion. i?y ^C. N A PIONE - 265 



XLV. Defeription of tU Duke of Bridgcwater's Drain 

 Plough - _ " _ 269 



XLVI. Defeription of Mr. Knight's Drill Machine for 

 Jiiwing 'Purrnp-feed - - _ 27 1 



XfvVfl. Notices, refpeBing New Boohs - 273 



X L\' III . Proceedings of Learned Societies - 277 



ULia. Intelligence and Mifcellaneous Articles - 284 



LL Bio- 



