SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Safety lamp. The gauze and design being used here is based on the work done on safety lamps by the British chemist and inventor Humphry Davy. The Davy lamp was first developed in 1815. The principle was that the gauze prevented the heat of the flame igniting external gases. Artwork from the ninth volume (first period of 1892) of the French popular science weekly 'La Science Illustree'.
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