II. An account of an invention for giving light in explosive mixtures of fire-damp in coal mines, by consuming the fire-damp
- 31 December 1816
- journal article
- Published by The Royal Society in Philosophical Transactions of the Royal Society of London
- Vol. 106, 23-24
- https://doi.org/10.1098/rstl.1816.0003
Abstract
I have already had the honor of communicating to the Royal Society an account of a safe light, which becomes extinguished when introduced into very explosive mixtures of fire-damp; in this communication I shall describe a light which will burn in any explosive mixture of fire-damp, and the light of which arises from the combustion of the fire-damp itself. The invention consists in covering or surrounding the flame of a lamp or candle by a wire sieve; the coarsest that I have tried with perfect safety contained 625 apertures in a square inch, and the wire was 1/70 of an inch thickness, the finest 6400 apertures in a square inch, and the wire was 1/250 of an inch in diameter.Keywords
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