3 o THE RUMFORD FUND 



MICHELSON, ALBERT A. The Echelon Spectroscope, xxxv, 109. 

 1899. 



RICHARDS, THEODORE W. The Driving Energy of Physico-Chem- 

 ical Reaction, and its Temperature Coefficient, xxxv, 469. 1900. 



PEIRCE, BENJAMIN O., and WILLSON, ROBERT VV. On the Thermal 

 Diffusivities of Different Kinds of Marble, xxxvi, 11. 1900. 



HALL, EDWIN H. On the Thermal and Electrical Conductivity of 

 Soft Iron, xxxvi, 119. 1900. 



LYMAN, THEODORE. False Spectra from the Rowland Concave 

 Grating, xxxvi, 239. 1900. 



RICHARDS, THEODORE W., and ARCHIBALD, EBENEZER H. A Studv 

 of Growing Crystals by Instantaneous Photomicrography, xxxvi, 

 339. 1901. 



NICHOLS, EDWARD L. The Visible Radiation from Carbon, xxxvii, 

 71. 1901. 



BASQUIN, OLIN H. The Arc Spectrum of Hydrogen, xxxvii, 159. 

 1901. 



RICHARDS, THEODORE W. I. The Significance of Changing Atomic 

 Volume. II. The Probable Source of the Heat of Chemical 

 Combination, and a New Atomic Hypothesis, xxxvii, 397. 1901. 



PORTER, ROYAL A. The Influence of Atmospheres of Nitrogen 

 and Hydrogen on the Arc Spectra of Iron, Zinc, Magnesium, 

 and Tin, Compared with the Influence of an Atmosphere of 

 Ammonia, xxxviii, 371. 1902. 



CREW, HENRY, and BAKER, JOHN C. On the Thermal Develop- 

 ment of the Spark Spectrum of Carbon, xxxviii, 395. 1902. 



RICHARDS, THEODORE W., and MARK, KENNETH L. An Apparatus 

 for the Measurement of the Expansion of Gases by Heat under 

 Constant Pressure, xxxviii, 415. 1902. 



RICHARDS, THEODORE W., and WELLS, ROGER C. The Transition 

 Temperature of Sodic Sulphate Referred anew to the Inter- 

 national Standard, xxxviii, 429. 1902. 



PEIRCE, BENJAMIN O. On the Temperature Coefficients of Mag- 

 nets made of Chilled Cast Iron, xxxviii, 549. 1903. 



