Miner's Lamp All Brass Eccles Type 6 Protector Lamp and Lighting Co, Circa 1930 at 1stDibs | eccles miners lamp history, eccles miners lamp type 6, eccles protector lamp type 6
Davy Safety Lamps - Northern Mine Research Society
Stephenson's Safety Lamp, 1839-1857 | Science Museum Group Collection
1 A flame safety lamp | Download Scientific Diagram