( 389 ) 



•<!»: 



TABLE III. FOR CONVERTING FRENCH METRES INTO ENGLISH FEff-P 



EzAMPLK of Tab. II — Convert »20.'>.23 Toises 

 (height of Mont Blanc above the Lake of Gene- 

 va) mto English Feet. 



Toises. EtifT. Feet, 



2000 = 1^89.90 



200 = 1278.99 



6 = 31.97 



' .2 = 1.28 



.03 = .19 



2205.23 



14102.33 



ExAMPLR of Tab. III.— Gay Liissac ascended 

 with a balloon to the height of 7028.3 Metres, as 

 determined by a barometer.—couvert this into 

 English Feet. 



NEW PUBLICATION. 



Sections and Views ^Illustrative of Geological Phenomena. By 

 Henry de la Beche, F. R. S. F. G. S. London, 1830. 4to. 



We recommend to the particular attention of the numerous 

 cultivators of geology throughout Britain, these valuable sec- 

 tions and views. They are selected with judgment from many 

 expensive works, which few have an opportunity of purchasing, 

 and many of never seeing at all. 



List of Patents granted in England from 9nth November to 

 ISth December iSSO. 



1830. 



Nov. 27. 



n. 



To J. Revere, Weybridge, Suirey, M. D., for " a new and im-. 

 proved method of protecting iron chain-cables, iron-boUersi, and 

 iron tanks, from the corrosion produced upon them by the action* 

 of water." I 



To W. Church, Haywood House, Warwickshire, for " certain i»i« 

 provements in apparatus applicable to propelling boats and driving 

 machinery by the agency of steam, part of which improvements 

 are also applicable to the purposes of evaporation." 



