The ordinary spirit lamps ar6 open to many objections, some of which have been obviated by a new safety spirit-lamp, invented by Alexander J. Walker, of New York City, who has taken measures to ...

It was no longer hot enough to ignite the gas. His prototype lamp is shown above. The new safety lamp was immediately put into production and deaths were dramatically reduced. But, while the ...

The helmet could carry a regulation bracket for a carbide lamp, and could be ordered in any size. Edward W. Bullard continued to improve his father’s safety hat, patenting several inventions in 1928 ...

adding that public medical facilities would not use the lamps again until their safety could be guaranteed. Alternative examination lights from other manufacturers or models have been set up to ...

The number of accidents occasioned by the use of fluid lamps has induced a variety of inventions to prevent the explosions which have heretofore been by far too common an occurrence. A most ...

Mining was important to Cornwall and so we were interested in the lamp.Humphrey Davy invented ... invented the steam locomotive also worked on a safety lamp and so did William Clanny.