CONTENTS. vii 



SUPPLEMENT TO VOL. XXXIV. 



Engravings on the follow!: g subjects : A perspective View of Machinery 

 for raising boats from a lower to an upper level upon canals, and the 

 contrary. By Mr. Woodhouse. Paits ot the Engine given in detail. 



I. — An explanatory Statement of the Notion or Principles upon which 

 the systematic Arrangement is founded, which was adopted as the 

 Basis of an Essay on Chemical Nomenclature. By Professor J. 

 Berzelius. (Continued from p. 246.) - - - 313 



II. — Inquiries relative to the Structure of Wood, the specific Gravity of its 

 solid Parts, and the Quantity of Liquids and elastic Fluids contained 

 in it under various Circumstances ; the Quantity of Charcoal to be 

 obtained from it j and the Quantity of heat produced by its Com- 

 bustion. By Count Rumford, F. R. S. Foreign Associate of the Imperial 

 Institute of France, &c. --- - - -- - 319 



III. — Description of the perpendicular Lift erected as a Substitute for 

 Locks on the Worcester and Birmingham Canal at Tardebig, near 

 Bromsgrove. By Mr. Woodhouse. From a printed Letter of Mr. 

 Edward Smith, of Birmingham, and the Reports of W. Jessop, Esq. - 335 



IV. — Curious Fact of the Outlines of Trees, accurately sketched on the 

 surface of the ice on the Bog Lakes of Ireland. In a Letter from 

 John Chichester, M.D. of Bath. 343 



V. — On Copper Wire, gilt with Brass. In a Letter from a Corres- 

 pondent. ^ .... 344 



A JOURNAL 



