A description of the safety lamp invented by George Stephenson, and now in use at Killingworth colliery. To which is added, an account of the lamp constructed by Sir Humphrey Davy. With engravings / [George Stephenson].

  • George Stephenson
Date:
1817
Catalogue details

Licence: Public Domain Mark

Credit: A description of the safety lamp invented by George Stephenson, and now in use at Killingworth colliery. To which is added, an account of the lamp constructed by Sir Humphrey Davy. With engravings / [George Stephenson]. Source: Wellcome Collection.

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    reflector placed in the inside, or a cylinder “ of glass reaching as high as the double zvire, with an aperture in the inside. Such Lamps, likewise, may be more easily cleaned than ‘‘ the simple wire gauze Lamp, for the smoke may ])e wiped off in an instant from the tin plate or glass.” To the above facts and dates, 1 have now only to request the attention of the public, begging them particularly to observe, that without adverting to the time when I first em¬ braced the idea, the principle upon which the Tube Lamp is constructed was published, and a plan of it shewn early in September, and that it was actually burning in the mine on the 21st of October. That Sir Humphrey Davy does not announce his discovery of the fact, that ex¬ plosion will not pass down tubes, till the 19th of October, in a private letter to Mr. Hodgson, that my double perforated plate Lamp was certainly ordered some time before the 24th of November, tried in the mine on the 30th of the same month; and that the earliest notice I had of Sir H. Davy having applied wire gauze for the same purpose, was, from the Newcastle Chronicle of the 23d of December. Upon the important variation recommended