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Lars Christian Nielsen
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1585. Nielsen, L. C. Jan. 23. Incandescent oil lamps. - Incandescent oil burners are formed with holes b to admit air, the amount of air supplied being regulated either by a collar d adapted to screw over the holes b as shown in Fig. 1, or by a rotary collar e formed with openings f, which can be turned so as to register with the holes b as shown in Fig. 3.
GB190101585D1901-01-231901-01-23Improvements in Burners for Oil Lamps Having Incandescing Mantles.
ExpiredGB190101585A
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