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, Clanny (bonnetted), Stokes shut off, maker: J. Davis and Son, Derby, marking: makers name, 1901 Safety lamp 1901
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, Cambrian, Clanny type (bonnetted), maker: Thomas and Williams, Aberdare, marking: makers name, 1901 Safety lamp 1901
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, Clanny, (bonnetted), use: officials, maker: J. Davis and Son, Derby, marking: makers name, 1889 Safety lamp 1889
Safety lamp, Eloin, maker: Thornton and Sons, Birmingham, marking: makers name, 1853 ( glass missing) Eloin Safety lamp 1853
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