98 



PROCEEDINGS OP THE AMERICAN ACADEMY 



The following are the remainders left after subtracting the microm- 

 eter reading of the line called A from the readings of the other lines 

 in the A group. 



CD CO CO CO 



O O 1-1 



8 S 



Then follow the quotients obtained by dividing each of the numbers 

 in the preceding table by the difference between the micrometer 

 readings of A and A n . 



