24 



'Captain Kater's account of the 



No. 2. 

 3. 

 4. 

 5. 



u^nit*- ,i6 divisions = — ,002 grains. 

 . — ,16 . . = — ,002 

 . — ,51 . . = —,007 

 • — ,59 . . = — ,008 



Sum of the differences — ,019 



I now proceeded to compare the five avoirdupois pounds 

 with each of the 6lb. weights, to which 440 grains, taken 

 from Mr. Bate's weights, were added, and which together 

 made five pounds avoirdupois. 



One tenth of a grain occasioned the index to vary one 

 division. 



