604 PROCEEDINGS OF THE AMERICAN ACADEMY 



Report of the Rumfoed Committee. 



Boston, May 10, 1899. 



During the past year the Rumford Committee has made the following 

 appiopriations from the fund of $1000 placed at its disposition at the 

 last Annual Meeting, for the furtherance of researches in light and heat. 



To Professor Theodore W, Richards of Harvard University, $200 

 for the construction of a micro-kinetoscope, the immediate application of 

 which is to be the study of the birth and growth of crystals. 



To Professor W. C. Sabine of Harvard University, $200 for the con- 

 tinuation of his researches on jthe wave-leugths of ultra-violet radiations. 



To Professor Henry Crew of the Northwestern University, a sum not 

 exceeding $200 for the continuation of his researches upon the spectrum 

 of the electric arc. 



To Professor Arthur G. Webster of Clark University, $200 for a 

 research upon the distribution of energy in various spectra by means of 

 the Michelson interferometer and the radiometer. 



At a meeting held on April 12, 1899, it was voted that the Committee 

 recommend to the Academy that the volumes necessary to complete the 

 set of the " Fortschiitte der Physik " in the library of the Academy, be 

 purchased from the Rumford Fund. 



At the same meeting it was also voted that the Committee recommend 

 to the Academy the appropriation of one hundred and twenty dollars 

 from the Rumford Fund for the purchase and binding of the usual peri- 

 odicals of the current fiscal year. 



At a meeting held on May 3, 1899, it was voted that the Academy be 

 asked to make the usual appropriation of $1000, at the Annual Meet- 

 ing, to be expended at the discretion of the Committee in furtherance of 

 research. 



At the April meeting of the Committee it was voted for the first time, 

 " that the Rumford Committee recommend to the Academy the award of 

 the Rumford Medal to Mr, Charles F. Brush, for the Practical Develop- 

 ment of Electric Arc Lighting." At the May meeting of the Committee 

 the same resolution was voted for the second time. 



In order to ascertain the stage of advancement of the various re- 

 searches in aid of which appropriations have been granted from the 

 Rumford Fund, a request for information was sent to such grantees as 

 were understood not to have made a final report, together with the fol- 

 lowing extracts from the records of the Committee : — 



Nov. 10, 1897. "It was voted that, in future, recipients of grants for 



