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Improvements in or applicable to Miners' Safety Lamps.
Improvements in or applicable to Miners' Safety Lamps.
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机译:矿工安全灯的改进或适用于矿工的安全灯。
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摘要
11,480. Prestwich, J. May 12. Extinguishing w i c k burners ; burners, attaching. - Relates to burners for miners' lamps, which are extinguished by tubes fitted on the lamp base when the e reservoir is unscrewed. Two or more extinguishing - tubes k are fixed on the lamp base g, and the corresponding wick-tubes b are attached to a plate c, which is secured to the oil reservoir by an annular ring e, but is free from rotation with the reservoir. Specification 5158/09 is referred to.
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