236 ANNUAL REGISTER, 1817. 



Stone, for a method of applying Benjamin Cook, for an improved 



certain apparatus for converting method of making rollers and cy- 



the fuel for heating the retorts of liiiders, both solid and hollow, 



gas-lights into coak or charcoal. Leger Didot, for certain im- 



i?o6er/ A'aZmon, for an apparatus provements upon the machines 



for the more useful, pleasant, already in use for making wove 



and economic use of candles. and laid paper in continued length. 



A General 



