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Safety lamp: Gray type, for coal miners’ gas testing, originally designed by Thomas Gray, design modified by Dr. Frank Clowes, based on J. Ashworth's patent Hepplewhite-Gray type, for gas testing and made by Stanley, Derby, Derbyshire, England, 1893-1899

Safety lamp: Gray type

1893-1899

Safety lamp, Clanny (bonnetted), maker: J. Davis and Son, Derby, 1889

Safety lamp

Safety lamp, Clanny (bonnetted), Stokes shut off, maker: J. Davis and Son, Derby, marking: makers name, 1901

Safety lamp

1901

Safety lamp, Ashworth-Hepplewhite-Gray, Gray type, use: gas testing, maker: J. Davis and Son, Derby, marking: makers name, 1901

Safety lamp

1901

Safety lamp, Cambrian, Clanny type (bonnetted), maker: Thomas and Williams, Aberdare, marking: makers name, 1901

Safety lamp

1901

Safety lamp, Clanny, (bonnetted), use: officials, maker: J. Davis and Son, Derby, marking: makers name, 1889

Safety lamp

1889

Safety lamp, Clanny (bonnetted), use: officals, maker: J. Davis and Son, Derby, marking: makers name, 1889

Safety lamp

Safety lamp, Clanny (bonnetted), use: officials, maker: J. Davis and Son, Derby, marking: makers name, 1889

Safety lamp

Safety lamp, Marsaut, Howat patent deflector, maker: Johnson, Clapham and Morris, Manchester, marking: makers name and Deflector lamp Howat's patent registered trade mark no.63005, 1888

Safety lamp

1888

Safety lamp, Eloin, maker: Thornton and Sons, Birmingham, marking: makers name, 1853 ( glass missing)

Eloin Safety lamp

1853