428 Wisconsin Academy of Sciences ^ Arts, and Letters. 



Mr. Chandler has recomputed all of the tables and illustrative 

 numerical examples given by Bremiker. A few corrections are 

 indicated in the foot not^s. ^IsTo changes have been made at any 

 point except the correction of palpable misprints and the inser- 

 tion of the numbers attached to the principal equations and 

 formulas to facilitate reference. 



Chas. S. Slichtee. 



Madison, April, 1901. 



