"The Lagos light house, built in 1891, is about half a mile to the west of the harbour entrance and rises 100ft above the flat, sandy seashore.
The light is not electric but is produced by burning kerosene.
Every possible care is taken to avoid failure of the light and a mantle is replaced by a new one after three nights of use."
The light is not electric but is produced by burning kerosene.
Every possible care is taken to avoid failure of the light and a mantle is replaced by a new one after three nights of use."
The Lamp of Lagos lighthouse surrounded by lenses and prisms to collect
and direct the light given out by the incandescent mantle
No comments:
Post a Comment