John Buddle mining engineer. He succeeded his father as manager at Wallsend Colliery in 1806, though his work was not limited to just the local colliery. Buddle was involved with the introduction of the miners safety lamp invented by Humphry Davy being involved in the earliest discussions with Davy in August 1815 and providing "fire-damp" samples for experiments in Davy's London Laboratory. The moment when Buddle tested the new Davy safety lamp for the first time, for real, in Northeast England, is recorded by him in a report to the Select Committee on Accidents in Mines on 4 September 1835 "I first
Flash-lamp Flash-lamp The electric flash-lamp uses electric current to start flash powder burning, to provide a brief sudden burst of bright light. It was principally used for flash photography in the early 20th century but had other uses as well. Previously, photographers' flash powder, introduced in 1887 by Adolf Miethe and Johannes Gaedicke, had to be ignited manually, exposing the user to greater risk. The electric flash-lamp was invented by Joshua Cohen (a.k.a. Joshua Lionel Cohen of the Lionel toy train fame) in 1899, and by Paul Boyer in France. It was granted U.S. patent number 636,492. This flash of bright