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Sample	Date	Description
	Dec 1934	Pearson "Nife" No. 20
	Dec 1934	Pearson "Nife" cap lamp No. 12
	Dec 1934	Batteries Ltd. cap lamp
	Dec 1934	Batteries Ltd. hand lamp
	Dec 1934	Ceag alkaline lamps
	Dec 1934	Ceag lead-acid lamps
	Dec 1934	Concordia cap lamp
	Dec 1934	Concordia KG alkaline lamp
	Dec 1934	Davis-Kirkby flame lamp
	Dec 1934	Davis lead-acid lamp
	Dec 1934	Sirius-Miner alkaline lamp
	Dec 1934	Davis 2-volt cap lamp
	Dec 1934	Gray-Sussmann No. 4C lamp
	Dec 1934	Hailwood A.D.C.3. flame lamp
	Dec 1934	Naylor N.P. flame lamp
	Dec 1934	Oldham Form F conversion lamp
	Dec 1934	Oldham S4V Super Hewers' lamp
	Dec 1934	Oldham snap-lid
	Dec 1934	Patterson HCP flame lamp
	Dec 1934	Patterson K4 alkaline lamp
	Dec 1934	Protector CT Type 33 flame lamp
	Dec 1934	Thomas & Williams Cambrian No. 4 flame lamp
	Dec 1934	Wolf alkaline lamp
	Dec 1934	Wolf No. 83-C cap alkaline lamp
	Dec 1934	Aldwarke 4-volt lamp
	Sep 1951	Nife cap lamp, type NC113C cutaway model showing tubular positive-plate construction and headpiece fitted with combination bezel and lens of optical Perspex
	Sep 1951	Concordia cap lamp, type 4 headpiece
	Sep 1951	Ceag type A7 cap lamp with a bakelite headpiece
	Sep 1951	A Ceag type A7 cap lamp with a stainless-steel headpiece
	Sep 1951	Oldham type G headpiece
	Sep 1951	The Youle type T1 cap lamp
	Oct 1951	Sectional view of Oldham cap-lamp battery
	Oct 1951	An Oldham cap lamp
	Oct 1951	Wolf alkaline cap lamp No. 442
	Oct 1951	Concordia type C.L.A. cap lamp
	Oct 1951	Ceag type A7 battery showing secondary gassing chambers and rubber sealing pad
	Oct 1951	A Ceag cap lamp
	Oct 1951	Topping up Oldham batteries
	Oct 1951	Charging frame for Youle self-servicing cap lamp
	Oct 1951	Concordia topping-up trolley
	Dec 1951	Placing Oldham type G cap lamp on charge
	Dec 1951	A close-up view of a charging frame for Oldham cap lamps
	Dec 1951	Concordia self-help charging stand for cap lamps
	Dec 1951	The miners' side of a Ceag self-service charging stand
	Dec 1951	The lampman's side of a Ceag self-service charging stand
	Dec 1951	Ceag system. Miner placing lamp on stand at the end of the shift
	Dec 1951	Ceag system. Unlocking lamp and placing battery on charge
	Dec 1951	Ceag cap-lamp photometer
	Dec 1951	Oldham cap-lamp photometer
	Dec 1951	Typical Nife self-service lamproom for 480 Nife N.C.113C. Cap lamps
	Dec 1951	Nife self-service system. Workman collecting lamp from self-service storage cubicle before returning to pit
		Marsaut-type flame safety lamp with deflector rings
		Mueseler-type flame safety lamp
		Hepplewhite-Gray flame safety lamp
		Magnetic Lock
		High candle-power flame lamp
		Electric hand lamp
		Alkaline battery for a hand lamp
		Ceag self-servicing acid cap lamp
		Oldham-Wheat self-servicing acid battery for a cap lamp
		Cap-lamp head pieces
		“Nife” self-servicing alkaline cap lamp
		General construction of a Ceag A7 self-servicing cap-lamp battery
		Concordia permitted torch
		Davis M.L. pneumatic-electric mercury vapour lamp
		The Protector official’s flame lamp
		The Cambrian official’s flame lamp
		The Wolf official’s flame lamp
		The Ceag methanometer
		The Ringrose automatic firedamp alarm
		The Spiralarm