[ i6 ° ] 
ped it. My clock went too flow that day at noon 
by 2 / 2 // , To that I ought to have added i V' to the 
time of theclock, whereas I fubflraded as much from 
it. This is the reafon of the difference in the times. 
The fmall variation in the diflances of the limbs was 
owing to a finder verification of the parts of my 
micrometer. 
Paris, Feb. 14,1764. 
I am, with the mofl refpedful efteem, 
Gentlemen, 
your mofl obedient, 
humble fervant, 
Pingre. 
XXIX, A* 
