Skinners "Mining Manual and Mining Yearbook for 1923" contains an advert
placed by "The "Ceag" Miners supply Co. Ltd, Barnsley, Yorks". At this
date they could supply "Standard lamps, Cap lamps, Sinking lamps, Signalling
lamps, Pillarless lamps, Bull's Eye Lamps (3 sizes), and "Jellac" Cells".
I would suggest that BE 3 stands for Bull's Eye 3.
Don't know if this gets you any further forward.
Rick
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