verb (used with or without object)
Related formshe·li·og·ra·pher [hee-lee-og-ruh-fer] /ˌhi liˈɒg rə fər/, nounhe·li·o·graph·ic [hee-lee-uh-graf-ik] /ˌhi li əˈgræf ɪk/, he·li·o·graph·i·cal, adjectivehe·li·o·graph·i·cal·ly, adverbhe·li·og·ra·phy, noun
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