safety lamp

"Yes, and I only wish it was still the safety lamp, which we formerly had to use!"

He was particularly interested in the design of miner's safety lamps.

The miners hence worked using open flame lights instead of safety lamps.

They pushed on up to the face, Johnny stooping over the safety lamp.

The first indication of problems came at ninety thousand feet, when the safety lamp began to glow.

There is usually a pit pony on site and the museum has a significant collection of safety lamps.

A version of the miner's safety lamp is used, kept alight in the air.

Before the invention of safety lamps, miners used candles with open flames.

Harry, besides a large lantern, took a safety lamp, which would burn for twelve hours.

Control of the transfer of heat is the key to manufacturing a successful safety lamp.

The accident was believed to have been "caused by a broken gauze in a safety lamp".

Upon the recommendation of the state mine inspector, nothing but electric safety lamps would be used in the future."

It was a type of safety lamp used in mining, but was not invented until 1815.

Slowly in its wire mesh cage the blue flame of the safety lamp changed shape.

However, Harry prudently carried only the safety lamp, which would insure light for twelve hours.

It became infamous as a result of the owners' stand against the use of safety lamps in the mines.

These structures have to be marked with red and white paint, have flight safety lamps on top, or both.

Safety lamps have to address the following issues:

Wood assisted Stephenson in the development of his safety lamp, which was first tested in 1815.

"Are you going to take safety lamps!"

Many of them spend the afternoon writing letters to their families, using safety lamps attached to their helmets.

"Harry," said Simon Ford, turning to his son, "light our safety lamps."

With him he carried his safety lamp, its tiny blue flame burning behind the screen of fine brass wire mesh.

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

He carries a miner's fire safety lamp, or "bug light", in his proper left hand, which is at his side.