Hydrogen cylinder, spare, for Safety lamp: Gray type
- patentee:
- J Ashworth
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Science Museum Group
© The Board of Trustees of the Science Museum
Hydrogen cylinder, spare, used with 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:
- 1981-1834/2
- Materials:
- mahogany (wood), steel (metal) and brass (copper, zinc alloy)
- type:
- cylinder
- credit:
- On loan from the Wellcome Trust
