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
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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![y passed through the apertures at the top would not communicate the explosion to the hydro¬ gen beyond the plate below. I constructed a Lamp upon this principle, and found that the holes having been punched very small, the flame never passec] even through the first plj^te.](https://iiif.wellcomecollection.org/image/b29302766_0017.jp2/full/800%2C/0/default.jpg)