een under the skin. darkness, but would shine continually and always pre- flashes without any intermission or interval of dark- Our illustration, which is prepared from a _ photo- ness whatever. sent the same appearance to the eye of the mariner, The numerous advantages of such a light to a graph… … cular apparatus. Its. revolution er, into a precious help to the can be effected by a small gas or explorer and the colonist. The only pity is that the movement for protection oil engine, by an electric motor if more convenient, mariner are obvious. A fixed light enables the sailor of the elephant…
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