Heliograph

A heliograph (in this usage) is a device that uses movable mirrors to send a flashing message, and the message thus sent. More often than not, Morse code was used as the language of communication with the heliograph.

appears in:

• "Commerciality" (on GO+, now included on Explode Together)

further reading:

• Entries on the heliograph and the heliotrope, the heliograph, and various forms of mirror telegraphy at the Dead Medium Project.

   

  

© 1998 Martin Monkman