204 



TABLE 222. 

 NEWTON'S RINGS. 



Newton's Table of Colors. 



The following table gives the thickness in millionths of an inch, according to Newton, of a plate of air, water, and 

 class corresponding to the different colors in successive rings commonly called colors of the first, second, third, 



glass corresponding to the 

 etc., orders. 



* The colors marked are the same as the corresponding colors in Newton's table. 

 SMITHSONIAN TABLES. 



