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Expired
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Ernest Arthur Hailwood
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Individual
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Individual
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Publication of GB190602375ApublicationCriticalpatent/GB190602375A/en
2375. Hailwood, E. A. Jan. 31. Miners' safety lamps. - To minimize shadow, the reservoir M is made semi-annular on one side of the base ring C or the middle ring, or as an annular vessel around the middle ring, or as a small vessel within the glass cylinder E either centrally or excentrally.The wick - tube N is bent to bring the flame into a convenient position. A glass lens D is placed at the base of the lamp. The various parts may be locked by magnetically - released spring bolts S. The sparking conductor T<4>, the wick raiser T<1>, and the wick snuffer T<2> are arranged in one piece, which may take various forms, moving within an insulated sheath T<5>. A coiled spring may be inserted between the glass cylinder and the middle ring.
GB190602375D1906-01-311906-01-31Improvements in or connected with Miners Safety and other Enclosed Portable Lamps.
ExpiredGB190602375A
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