id author title date pages extension mime words sentences flesch summary cache txt 45395 Paris, John Ayrton The Life of Sir Humphrey Davy, Bart. LL.D., Volume 2 (of 2) .txt text/plain 123947 4437 57 H. Davy proposes four different kinds of lamp for the purpose.--The numerous services conferred upon Science by Sir Humphry Davy, we first, the Royal Society of London, for which Davy having returned object of their deliberations, the chairman of the committee, Dr. Gray, who was generally acquainted with Sir Humphry Davy, judged it [37] Sir Humphry Davy attempted to produce the phenomena with of the Safety-lamp belongs to Sir Humphry Davy or to Mr. George The following letter from Sir Humphry Davy announces the farther In the year 1825, Sir Humphry Davy had the honour to receive These facts, Davy observes, appear to admit of many applications; Sir Humphry Davy suggests a chemical method for unrolling Sir Humphry Davy suggests a chemical method for unrolling Sir Humphry Davy thinks that whoever has considered the phenomena Philosophical Transactions for the year 1823, Sir Humphry Davy Sir Humphry Davy has observed, that "at the time when the ./cache/45395.txt ./txt/45395.txt