74-i PROCEEDINGS OP THE AMERICAN ACADEMY. 



pose of building a book-stack on the estate No. 28 Newbury 

 Street, and of putting the premises in a suitable condition for 

 occupancy by the Academy, and by others. 



It was also 



Voted, That the Treasurer and Committee of Finance be 

 authorized to lease the first, third, and fourth floors of the 

 building No. 28 Newbury Street, and such portions of the base- 

 ment as may not be needed for the use of the Academy. 



The following paper was read by Professor W. H. Pickering: 

 " Section of a Crater formed naturally in Slag (with Model)." 



The following papers were read by title : — * 



"A Machine for Averaging Curves for the Purpose of Har- 

 monic Analysis." By H. H. Clayton. 



" The Shoal- Water Deposits of the Bermuda Banks." By 

 Henry B. Bigelow. Presented by E. L. Mark. 



"Gas Turbine Cycles on the FQ Plane." By Harvey N. 

 Davis. Presented by John Trowbridge. 



" The Viscosity of Air." By J. L. Hogg. Presented by 

 John Trowbridge. 



" On a Measurement of the Thomson Thermo-Electric Effect 

 in Soft Iron." By Edwin H. Hall. 



Nine hundred and fifty-fourth Meeting:. 



Stated Meeting. — January 11, 1905. 



The Academy met, by invitation of Professor D. G. Lyon, at 

 the Semitic Museum, Cambridge. 



The President in the chair. 



On motion of C. R. Cross, it was 



Voted, That a sum not exceeding two hundred and fifty dollars 

 (•|'250) be appropriated from the income of the Rumford Fund, 

 subject to the order of the Rumford Committee, for the prepa- 

 ration and distribution of a pamphlet relating to the Rumford 

 Fund and its uses. 



A communication, illustrated b}^ lantern projections, on the 

 Semitic Museum, was given by Professor D. G. Lyon. 



