43-12 



Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLIII. No. 12. — Decembeb, 1907. 



CONTRIBUTIONS FROM THE CHEMICAL LABORATORY OF 

 HARVARD COLLEGE. 



A REVISION OF THE ATOMIC WEIGHT OF LEAD. 



PRELIMINARY PAPER. — THE ANALYSIS OF LEAD CHLORIDE. 



By Gkegoky Paul Baxtee and John Hunt Wilson. 



