Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLIII. No. 10. — November, 1907. 



CONTRIBUTIONS FROM THE FIRST CHEMICAL INSTITUTE OF 

 THE ROYAL FRIEDRICH-WILHELM UNIVERSITY OF BERLIN. 



THE TRANSITION TEMPERATURE OF MANGANOUS 



CHLORIDE: A NEW FIXED POINT 



IN THERMOMETRY. 



LIBRARY 

 NEW YORK 



By Theodore W. Richards and Franz Wrede. 



GARDEN. 



Investigations on Lioht and Heat made and pttblisited, wholly or in pabt, with Appropriation 



from the ruhpord fund. 



