Doncaster Oral History Project - Miners Safety Lamp History Academy 2:39 8 years ago 2 262 Далее Скачать
MINERS LAMP APOCALYPSE FLASHLIGHT! Calcium carbide Just Rite light DEMO NoNonsenseKnowHow 3:08 7 years ago 57 641 Далее Скачать
Catching an Explosion—The Davy Miners Safety Lamp The Action Lab 3:37 4 years ago 133 736 Далее Скачать
A Light in the Darkness: The Flame Safety Lamp National Coal Mining Museum for England 1:46 4 years ago 845 Далее Скачать
Darkness Below: The Deadly Evolution of Miners' Safety Lamps AntiquesArena 12:01 9 months ago 554 Далее Скачать
Some miners flame safety lamp changes due to the 1911 coal mines act. Lamp Boy 2:43 1 year ago 219 Далее Скачать
Safety Underground: Mining and the Miners' Lamp - Professor Frank James Gresham College 47:43 9 years ago 4 370 Далее Скачать
Fighting Firedamp - The Lamp that Saved 1,000 Lives The Royal Institution 5:00 9 years ago 91 447 Далее Скачать
Original Miner's Flame Safety Lamp Footage from Wolf Safety wolfsafety 2:02 6 years ago 55 627 Далее Скачать
