Davy lamp Davy lamp The Davy lamp is a safety lamp for use in flammable atmospheres, invented in 1815 by Sir Humphry Davy. It consists of a wick lamp with the flame enclosed inside a mesh screen. It was created for use in coal mines, to reduce the danger of explosions due to the presence of methane and other flammable gases, called "firedamp" or "minedamp." Davy's invention was preceded by that of William Reid Clanny, an Irish doctor at Bishopwearmouth, who had read a paper to the Royal Society in May 1813. The more cumbersome Clanny safety lamp was successfully tested at
Charles W. Miner early twenties, Miner moved to Fort Wayne, where he resided for the remainder of his life and continued his career as a photographer. Miner married Mary S. Criswell, an Ohio native and resident of Fort Wayne, on November 28, 1905. The couple had two daughters, Sarah, who was born around 1908, and Mildred, born around 1912. After his move to Fort Wayne around 1887, Miner spent a few years working in the photography studio of Felix Schanz, "an established and influential Fort Wayne photographer," whose studio was located at 112 Calhoun Street. (The address was later changed to 922 Calhoun