verb (used with or without object)
Examples from the Web for heliograph
The Hussars left behind a Colt-Maxim and a heliograph for our usage.My Reminiscences of the Anglo-Boer War|Ben Viljoen.
We bivouacked at Granaatz Plaatz farm that night, whence the heliograph winked the news of our engagement to our camp.The Relief of Mafeking|Filson Young
The Spaniards tried to get help from the main army by signalling with the heliograph.
Mrs. Fischer-Suympkins was the heliograph of the smart society parading corps.Sixes and Sevens|O. Henry
This morning the General offered the use of the heliograph to all correspondents in rotation by ballot.Ladysmith|H. W. Nevinson
British Dictionary definitions for heliograph
Word Origin and History for heliograph
product of a certain type of engraving process, 1853, from helio- + -graph "something written." Earlier, "a description of the sun" (1706, implied in heliographic). Heliography (1845 in the engraving sense) also (1840) was an early term for what came to be called photography.