Safety lamp: Gray type
- patentee:
- J Ashworth
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
Details
- Category:
- Mining & Ore Dressing
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1981-1834/1
- Materials:
- brass (copper, zinc alloy) and glass
- type:
- miner's safety lamp
- credit:
- On loan from the Wellcome Trust
