r "i 1 



TABLE II. 



As the ratio of the decreafe of dcnfity in the atmofphere 

 is only conformable to the tabular logarithms and Englith 

 meafnre in the temperature of 32* nearly of Farenheit's fcale, 

 table the fecond is calculated to fhew the corredion required 

 for the rarefadion of each foot of the atmofphere for a fingle 

 degree of heat above 32» in decimals of a foot, and may be 

 applied to any number of feet, as for 4444,4 



Example 4000- 

 400 

 40 



4 

 A 



-9,72000 

 ,97200 

 ,09720 

 ,00972 

 ,00097 



From 



