ao Captain Kater's account of the 



5760 



960 



240 



24 



13 

 3 

 1 



7000 grains. 



In this manner five avoirdupois pounds were made and 

 adjusted by Mr. Bate. 



Determination of the Avoirdupois Pound. 



Wishing to avoid the verification of the numerous weights 

 used by Mr. Bate, and desirous of arriving at my object by 

 a road different from that which he had pursued, I used the 

 following method : 



I caused Mr. Bate to make two weights each equal to six 

 troy pounds. These I compared with the Imperial Standard 

 Troy pound, and the five troy pounds already adjusted. I 

 had thus two known weights each equal or nearly so to six 

 troy pounds, one of which with the addition of 440 grains 

 gave me a weight equal to five avoirdupois pounds, subject 

 only to such error as might arise from inaccuracy in the 

 grains, and as I had had sufficient proof of Mr. Bate's care, 

 I had little to apprehend on this point. 



The five avoirdupois pounds were then compared with 

 each of the six pound weights and 440 grains, and the mean 



