firedamp

The mine was closed following a fatal firedamp explosion in 1811.

On 6 March 1877 eight men died in an explosion of firedamp at the colliery.

Firedamp is all the more hazardous because of the after effects of the explosion.

The main problem was firedamp explosions, often followed by ignition of coal dust.

At a certain concentration the gas (firedamp or methane) burned but did not explode.

The other gases with it may be firedamp or blackdamp.

It is thought the explosion was caused by firedamp igniting on contact with a candle.

An explosion of firedamp in 1838 and a roof fall in 1843 caused two deaths.

This was a dangerous job, as the holds could fill with firedamp given off by the coal, resulting in an explosion.

Methane is the main gas present in firedamp.

He invented a gas regulator and a firedamp detector which were not retained by the manufacturers.

Formed by complete combustion of firedamp or occurring naturally.

Sir Humphrey however performed his experiments with samples of firedamp collected from pits.

The cause was an explosion of firedamp ignited by sparks from a damaged trailing cable.

An explosion of firedamp, ignited by a safety lamp, in 1858 cost the lives of 25 men and boys.

On February 6, 1930, an explosion caused by firedamp gas occurred in the Standard mine.

Firedamp was a problem in the new workings and ventilation was a problem.

In the presence of firedamp the flame intensifies.

The explosion was attributed to what miners refer to as firedamp, a methane gas mixture.

It chirruped loudly in the presence of firedamp.

As mine management was aware of firedamp, there were strict rules about the use of safety lamps.

Firedamp is flammable gas found in coal mines.

Afterdamp - The gas from an explosion of firedamp or coal dust.

At Wallsend in 1818 lamps were burning red hot (indicating significant firedamp).

The explosions were caused by firedamp.