![Type SL miners safety lamp made by The Protector Lamp and Lighting Co Ltd of Eccles used underground in South Wales coal mines Stock Photo - Alamy Type SL miners safety lamp made by The Protector Lamp and Lighting Co Ltd of Eccles used underground in South Wales coal mines Stock Photo - Alamy](https://c8.alamy.com/comp/B646EG/type-sl-miners-safety-lamp-made-by-the-protector-lamp-and-lighting-B646EG.jpg)
Type SL miners safety lamp made by The Protector Lamp and Lighting Co Ltd of Eccles used underground in South Wales coal mines Stock Photo - Alamy
![The Protector Lamp and Lighting Co. Ltd, Miner's safety lamp Type 6 isolated on a white background Stock Photo - Alamy The Protector Lamp and Lighting Co. Ltd, Miner's safety lamp Type 6 isolated on a white background Stock Photo - Alamy](https://c8.alamy.com/comp/EFM9JK/the-protector-lamp-and-lighting-co-ltd-miners-safety-lamp-type-6-isolated-EFM9JK.jpg)
The Protector Lamp and Lighting Co. Ltd, Miner's safety lamp Type 6 isolated on a white background Stock Photo - Alamy
![The Protector Lamp and Lighting Company Limited The first 100 years: History and development of miners flame safety lamps since 1873, Mather, David, eBook - Amazon.com The Protector Lamp and Lighting Company Limited The first 100 years: History and development of miners flame safety lamps since 1873, Mather, David, eBook - Amazon.com](https://m.media-amazon.com/images/I/51KsCyvOdrL.jpg)
The Protector Lamp and Lighting Company Limited The first 100 years: History and development of miners flame safety lamps since 1873, Mather, David, eBook - Amazon.com
![The Protector Lamp and Lighting Co. Ltd type CT33A combustion tube safety lamp | Science Museum Group Collection The Protector Lamp and Lighting Co. Ltd type CT33A combustion tube safety lamp | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/476/534/medium_SMG00245593.jpg)
The Protector Lamp and Lighting Co. Ltd type CT33A combustion tube safety lamp | Science Museum Group Collection
![The Protector Lamp and Lighting Co. Ltd type CT33A combustion tube safety lamp | Science Museum Group Collection The Protector Lamp and Lighting Co. Ltd type CT33A combustion tube safety lamp | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/212/478/medium_cd0402_022_080807_2002_19_166_LCM_Miners_lamp.jpg)
The Protector Lamp and Lighting Co. Ltd type CT33A combustion tube safety lamp | Science Museum Group Collection
![Protector Lamp and Lighting Co. Ltd Type 6 flame miner's safety lamp | Science Museum Group Collection Protector Lamp and Lighting Co. Ltd Type 6 flame miner's safety lamp | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/212/467/medium_cd0402_011_080807_2002_19_55_2_LCM_Miners_lamp.jpg)