Further Researches Concerning 

 Atomic Weights 



of 



Potassium, Silver, Chlorine, Bromine, 

 Nitrogen, and Sulphur 



BY 



THEODORE WILLIAM RICHARDS 



IN COLLABORATION WITH 



ARTHUR STAEHLER, GEORGE SHANNON FORBES, 

 EDWARD MUELLER, AND GRINNELL JONES 



WASHINGTON, D. C.: 



Published by the Carnegie Institution of Washington 

 APRIL, 1907 



