Miner's electric cap lamp and battery
Electric lamp, coal mining use
coal mining electric lamp
Electric lamp, coal mining
Concordia battery lamp
circa 1930
Type P5 battery lamp by Wolf Sheffield
circa 1930
Concordia battery lantern type
circa 1930
Electric lamp, coal mining.
Electric hand lamp
Oldham & Son miner's electric hand lamp and battery
circa 1910
Oldham Type S Battery Lantern
circa 1930
Electric lamp
circa 1980
Miner's experimental electric
Federation battery lamp
Oldham Type C electric hand la
circa 1950
Oldham & Son Ltd type TD2A safety torch
circa 1960
Battery lamp NH10A c.1950s. Miner's electric lamp
Electric safety lamp
Type B.E.3 miner's electric safety lamp made by the CEAG Miner's Supply Co. Ltd
circa 1930
Electric lamp, coal mining.
Wolf electric safety lamp
Electric lamp, coal mining
circa 1950
Battery safety lamp. Locomotive lamp
circa 1930
Electric lamp, coal mining.
Electric main roadway lamp for use in mining
circa 1955