RECORDS OF MEETINGS. G23 



Last year the total number of accessions was 3919. 



At the request of the Rumford Committee, 21 volumes on light and 

 heat, for the purchase and binding of which $150 was appropriated from 

 the income of the Rumford Fund, have been ordered but not paid for. 



The expenses charged to the Library were as follows : — Miscellaneous, 

 which includes expenses in no way relating to the Library, $439.95 ; 

 Binding, $604.70; Subscriptions, $532.03, making a total of $1450.38. 

 The usual appropriation of $1500 from the income of the General Fund 

 is requested in addition to the customary appropriation from the income 

 of the Rumford Fund, namely $150. 



A. Lawrence Rotch, Librarian. 



Boston, May 14, 1902. 



Report of the Rumford Committee. 



At the Annual Meeting of the Academy held May 8, 1901, the sum 

 of $1000 was placed at the disposal of the Rumford Committee, to be 

 expended at its discretion iu aid of researches in light and heat. 



The following grants have been voted : — 



Nov. 13, 1901. One hundred dollars to Professor Henry Crew of 

 Northwestern University, in aid of his research on the order of appear- 

 ance of the different lines of the spark spectrum. 



Nov. 13, 1901. Three hundred and fifty dollars to Professor R. W. 

 Wood of Johns Hopkins University, in aid of his researches on the 

 anomalous dispersion of sodium vapor. 



Nov. 13, 1901. Sixty-five dollars to Professor A. G. Webster of 

 Clark University, in payment of the cost of fluorite plates purchased for 

 use in a research on the distribution of energy in various spectra. 



Feb. 12, 1902. Three hundred dollars to Professor Ernest F. 

 Nichols of Dartmouth College, for the purchase of a spectrometer in 

 furtherance of his research on resonance in connection with heat 

 radiations. 



April 9, 1902. Three hundred dollars as it is or may become avail- 

 able to Professor Arthur A. Noyes of the Massachusetts Institute of 

 Technology, in aid of his research upon the effect of high temperatures 

 upon the electrical conductivity of aqueous solutions. 



At the meeting of February 12, 1902, it was voted to authorize the 

 Librarian to purchase certain books upon light and heat as specified iu 

 a list transmitted to him by the Committee. 



