Daylight Signal Mirrors

Daylight Signal Mirrors

Daylight Signal Mirrors: Daylight signal mirrors are reflective devices used to attract attention in emergency situations. They are made of a reflective surface, such as glass or metal, and are used to reflect sunlight to signal for help.

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  • IMPA 330271 DAYLIGHT SIGNAL MIRROR HELIOGRAPH
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    IMPA 330271 DAYLIGHT SIGNAL MIRROR HELIOGRAPH

    £7.12
    This signal mirror is designed for use in heliography, a method of communicating using sunlight. The mirror is made of polished metal and is concave so that it can concentrate the sun's rays. The...
    £7.12
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