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
Lamp At Midnight Lamp At Midnight Lamp At Midnight is a play that was written by Barrie Stavis, and first produced in 1947 at New Stages, New York. The play treats the 17th Century Galileo affair, which was a profound conflict between the Roman Catholic Church and Galileo Galilei over the interpretation of his astronomical observations using the newly invented telescope. By coincidence, Bertolt Brecht's play on the same theme, "Galileo", opened in New York just a few weeks before "Lamp at Midnight". Some critics now consider "Galileo" to be a masterpiece, but in 1947 the "New York Times" reviewer, Brooks Atkinson, preferred