2 Do&or hutton’s Determination of the 
portance and curiofity, that it may probably be here- 
after repeated by the learned in other countries, and in 
other fituations ; and as the utmoft precifion is defirable 
in fo nice an experiment ; 1 have compofed the inclofed 
paper to determine the belt part of a hill for making 
the obfervations, fo as to obtain the greateft quantity of 
attraction. 
I have no doubt, Sir, that the determination of this 
point will appear of fome confequence in the opinion of 
one who has the improvement of ufeful knowledge fo 
much at heart ; and if the manner in which it is here 
made, meet your approbation, I fliall defire the favour 
of your prefenting it to the Royal Society. 
I have the honour to be, See. 
i. The 
