Geordie lamp the base so that it gave more light and tried new versions on 4 and 30 November. This was presented to the Literary and Philosophical Society (Lit & Phil) of Newcastle upon Tyne on 5 December 1815. Although controversy arose between Stephenson's design and the Davy lamp (invented by Humphry Davy in the same year), Stephenson's original design worked on significantly different principles from Davy's final design. If the lamp were sealed except for a restricted air ingress (and a suitably sized chimney) then the presence of dangerous amounts of firedamp in the incoming air would (by its combustion) reduce
S. Isadore Miner S. Isadore Miner S. Isadore Miner (September 25, 1863 – August 10, 1916), also known by the pen name Pauline Periwinkle, was an American journalist, poet, teacher, and feminist. She served as the first corresponding secretary of the Michigan Woman's Press Association and was a staff member of "Good Health", Battle Creek, Michigan. Using the pen name of "Pauline Periwinkle", Miner was the founder and editor of the "Woman's Century" page of "The Dallas Morning News". She was "one of the most widely-read columnists in the early twentieth century." Sara Isadore Sutherland was born in the township of Battle Creek,