RECORDS 511 



BUSINESS MEETING. 

 December 3, 1900. 



Academy met at 8:15 P. M., Professor Wm, Hallock presid- 

 ing. 



The minutes of the last business meeting were read and ap- 

 proved. 



The Secretary reported from the Council as follows : 



That Professor Poor had taken active charge of the editorial 

 work of the Academy; also that the Council had appointed a 

 committee to secure, if possible, a publication fund. 



The following Candidates for resident membership, approved 

 by the Council, were duly elected : 



O. P. Hay, American Museum of Natural History. 



E. O. Hovey, American Museum of Natural History. 



(Dr. Hovey to become a life member.) 



Richard E. Dodge, 

 Recording Secretary. 



ASTRONOMY, PHYSICS AND CHEMISTRY. 

 December 3, 1900. 



Section met at 8:20 P. M., Professor William Hallock presid- 

 ing. 



The minutes of the last meeting of Section were read and ap- 

 proved. 



The following program was offered : 



E. R. von NardrofF, Determination of the Wave Length 

 OF Sound by the Grating Method. (Illustrated.) 



W. G. Levison, A Method of Photographing the Entire 

 Corona on One Plate, Employed at Newberry, S. C, for 

 THE Total Solar Eclipse of May 23, 1900. (Illustrated.) 



W. G. Levison, The Action of Canada Balsam on Photo- 

 graphic Gelatine Plates. 



Summary of Papers. 



As a source of sound the author of the first paper used a 

 miniature steam whistle made of brass and operated by a current 



