RECORDS 475 



ground is a combination of feelings or judgment, the inaccuracy 

 of judgment may vary, because of the combination of errors, as 

 the square root of the amount. In so far as the ground is the 

 mere mental shock of difference, the inaccuracy of the judg- 

 ments may vary in some more direct relation to the amount. 



Charles H. Judd, 



Sccretaiy. 



BUSINESS MEETING. 

 April 2, 1900. 



Academy met at 8:23 P. M., President Woodward presiding. 



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

 proved. 



In the absence of the Secretary of the Academy, the Presi- 

 dent requested Dr. W. S. Day to act as Secretary pro tem. 



The following Candidates for resident membership, approved 

 by the Council, were duly elected : 



Charles Bergen Davis, 321 West 124 Street. 



Miss Esther Byrnes, 85 Hancock Street, Brooklyn, N. Y. 



Wm. S. Day, 

 Recording Secretary pro tern. 



SECTION OF ASTRONOMY, PHYSICS AND 

 CHEMISTRY. 



April 2, 1900. 



Section met at 8:25 P. M., Professor W. Hallock presiding. 



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

 proved. 



The following program was then offered : 



William Hallock, Overtones of a Tuning Fork. 



William Hallock, Note on Specific Gravity Weighings. 



M. I. Pupin, A New Faradmeter. 



C. E. Furness, Catalogue of Stars Within One Degree 

 OF THE North Pole and the Optical Dls portion of the 

 Helsingfors Astrophotographic Telescope. 



