302 
not proceed upwards, while the coke with which it is filled 
constantly drops down to supply the place ofthat consumed, 
on the principle of the ancient furnaces, called “ athanors” 
by the earlier chemists. 
The only difficulty to be apprehended in the use of coke, 
is the collection of slag, from the fusion of its earthy and 
ferruginous constituents ; however the author does not con- 
sider that this accumulation during the period from sunset to 
sunrise, in mid-winter, would materially interfere with its 
action. 
The Treasurer presented the account for the year ending 
March 31, 1839. 
OrDeERreED to be entered on the minutes, and published in 
the Proceedings. i 
OrpereD,—That the Seal of the Academy be affixed to 
the Treasurer’s Accounts. 
