678 Ofi the Advantage of Employing^ etc. 



if inches wide ; but with the new wheels it has become 

 easy to a degree truly remarkable. I could call to 

 witness several persons who have tried it, and, among 

 others, certain members of the Institute, who are here 

 present. 



The carriage, mounted on its new wheels, and having 

 in place the apparatus which I used to measure the 

 force of traction in my experiments, is at the present 

 moment in the court of the Palais de I'lnstitut : where 

 it will remain for some time after the close of the 

 session, that all who are curious to see it may exam- 

 ine it. 



I should have much satisfaction in learning that my 

 labours on this interesting subject have met with the 

 approbation of this illustrious assembly, and that they 

 have judged it worthy the attention of those who have 

 the means of making it useful. 



[This paper is translated from the French, as it appears in the " Moni- 

 teur Universe! " of April 25, 181 1.] 



