Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLI. No. 6. —June, 1905. 



CONTRIBUTIONS FROM THE CHEMICAL LABORATORY OF 

 HARVARD COLLEGE. 



THERMAL EXPANSION OF HYDROGEN AND CARBON 

 DIOXIDE UNDER CONSTANT PRESSURE. 



By Theodore William Richards and Kenneth Lamartine Mark. 



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

 from the rumford fund. 



