Heliograph : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: Heliograph	by the DICT Development Group
3 results for Heliograph
From WordNet (r) 3.0 (2006) [wn]:
heliograph n an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on v signal by means of a mirror and the using the sun's rays
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Heliograph \He"liograph\, v. t. 1. To telegraph, or signal, with a heliograph. 2. To photograph by sunlight.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Heliograph \He"liograph\, n. [Helio- + -graph.]ets> 1. A picture taken by heliography; a photograph. 2. An instrument for taking photographs of the sun. 3. An apparatus for telegraphing by means of the sun's rays. See {Heliotrope}, 3.