telelogue

Updated: May 26, 2025

Gaumet, and which he names the Telelogue, is based upon the visibility of colored or luminous objects, and upon the possibility of piercing the opaque curtain formed by the atmosphere between the observer's eye and a signal, by utilizing the difference in brightness that exists between such objects and the atmosphere.

Various - Scientific American Supplement, No. 508, September 26, 1885