ADVERTISEMENT. 



S the Frencli meafures are retained in feme few parts of 

 this work, taken fron:i M. Duhamel, (where the altering of 

 them would have occafioned a multiplicity of fractions, per- 

 plvxing, perhaps, to fome hulbandmen, without at all elucidating the 

 experiments in which they are ufed; though they are in general, and 

 always where it was neceffary, reduced to the Englifli ilandard, or 

 it's equivalent,) it is proper to obferve, that, fuppofing the Englifh 

 foot in GuUdhail to be loco and the Paris foot in the Chatelet 1068, 

 which is M. Greaves's calculation of their difference; the French 

 c.rpent, confiding of ico perches of 22 feet each, making in all 

 48400 fquare French feet, is equal to 51 691 Englifli fquare feet, 

 or to 1 acre, 29 poles, 9 paces, i yard, and 2 I fquare feet, that is to 

 fay, to very near an acre and three quarters of a rood Englifh meafure.. 



The French hiip^el, confifling of 4 quarters, and the quarter of 

 4 Utrons of 36 Paris cubic inches each, contains 576 French cubic 

 inches, which, in the above proportion, are equal to 615 t3«8 Eng- 

 lifli inches : and confequently the French bufhel is to the Englifli, 

 as 6i5t^o| to 2178, the number of cubic inches in the Englifh 

 bufliel : or, in other words, it is equal to one peck, i quart, and 

 nearly 2 cubic inches. 



The French bufliel for oats, is double that of any other grain. 



The Scpticr contains 1 2 French bufliels. 



Thefe may, perhaps, not be the exa£l mathematical proportions 

 between the Englifli and French meafures, were their flandard to 

 be precifely afcertained, which it is not : but, at leafl:, they are 

 near enough to the proportions of the meafures commonly ufed in 

 both countries, to anfwer all the ends they are intended for in this 

 work. 



CON- 



