Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXVI. No. 2. — June, 1900. 



ON THE THERMAL DIFFUSIVITIES OF DIFFERENT 



KINDS OF MARBLE. 



By B. O. Peirce and R. W. Willson. 



Investigations on Light and Heat made and published wholly or in part with Appropriations 



from the itumpord fund. 



