October 20, 1905.] 



SCIENCE. 



489 



search, viz., the experimental study of 

 chemical thermodynamics.) 750 



Arthur A. Noyes. Etl'ect of high tem- 

 peratures on the electrical conductivity 

 of aqueous solutions 300 



Ralph S. Minor. Dispersion and absorp- 

 tion of substances for ultra-violet 

 radiation .' 150 



1903. Theodore W. Richards. The experi- 

 mental study of chemical thermody- 

 namics. (Appropriation of 1902 for 

 compression pump, $750, transferred 

 to this purpose.) 



Sidney D. Townley. For the construc- 

 tion of a stellar photometer 100 



Edwin B. Frost. For the construction of 

 a special lens for use in connection 

 with the stellar spectrograph of the 

 Yerkes Observatory for the study of 

 radial velocities of faint stars 200 



Ernest F. Nichols and Gordon F. Hull. 

 In aid of the investigation of the rela- 

 tive motion of the earth and the ether 

 by the method of ' Fizeau's polariza- 

 tion experiment.' (Appropriation 

 transferred to another research, viz., 

 effect of motion of earth on intensity 

 of radiation. ) 250 



George E. Hale. For the purchase of a 

 Rowland concave diffraction grating to 

 be used in the photographic study of 

 the brighter stars 300 



Edward C. Pickering. For the construc- 

 tion of two stellar photometers to be 

 placed at the disposal of the Rumford 

 committee 150 



Ernest F. Nichols and Gordon F. Hull. 

 Effect of the motion of the earth on the 

 intensity of radiation. (Appropriation 

 for Fizeau's polarization experiment, 

 $250, transferred to this purpose.) 



Frederic L. Bishop. Thermal conduc- 

 tivity of lead 75 



Frederick A. Saunders. Chajiacteristics 

 of spectra produced under varying con- 

 ditions 200 



William J. Humphreys. Shift of spec- 

 trum lines due to pressure 300 



Noi'ton A. Kent. Circuit conditions in- 

 fluencing electric spark lines 250 



Edward W. Morley. Nature and effects 



of ether drift 500 



1904. John A. Dunne. Fluctuations in 

 solar activity as evinced by changes in 



the difference between maximum and 

 mimimum temperatures 200 



Carl Barus. Optical method of study of 

 radioactively produced condensation 

 nuclei. (Appropriation not yet called 

 for.) 200 



DeWitt B. Brace. Double refraction in 



gases in an electrical field 200 



Robert W. Wood. Optical and other 



physical properties of sodium vapor . . 350 



Norton A. Kent (addition to former ap- 

 pi'opriation) . Circuit conditions in- 

 fluencing electric spark lines 100 



Arthur L. Clark (addition to former ap- 

 propriation). Molecular properties of 

 vapors in the neighborhood of the crit- 

 ical point 150 



1905. DeWitt B. Brace (addition to former 

 appropriation). Double refraction in 

 gases in an electrical field 200 



Charles B. Thwing. Thermo-electric 



force of metals and alloys 150 



Harry W. Morse. Fluorescence 500 



John Trowbridge. Electric double refrac- 

 tion of light 200 



Edwin H. Hall. Thermal and thermo- 

 electric properties of iron and other 

 metals 200 



The Rumford Committee will at any 

 time receive applications for aid from the 

 Rumford Fund in furtherance of re- 

 searches in heat or light. Such applica- 

 tions may be sent to the chairman of the 

 committee or to any of its members in care 

 of the American Academy of Arts and 

 Sciences, Boston, Mass. Full statements 

 should be made as to the object of the in- 

 vestigation for which aid is asked. A re- 

 port of work is expected yearly as to the 

 progress of the research for which a grant 

 has been made. All apparatus purchased 

 from appropriations from the Rumford. 

 Fund is the property of the academy and 

 is to be returned to it when the research in 

 question is completed. 



The rule as to publication of papers em- 

 bodying the results of investigations fur- 

 thered by grants from the fund is indicated 

 in a vote of the Rumford Committee, passed 

 June 8, 1898. 



