heliograph

IPA: hiɫioʊgræf

An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.
A heliogram.
An instrument for measuring the intensity of sunlight.
A device for photographing the sun.
(obsolete) A photograph.

Examples of "heliograph" in Sentences

| Reply | Permalink heliograph wrote on November 1, 2007 1: 35 PM:
Tell him how you feel. heliograph wrote on September 18, 2007 9: 44 PM:
We tried by radio and by heliograph, in accordance with internationally accepted means.
Well, I was gonna chime in earlier on the clearly delusional heliograph, but it appears my work has been done for me.
If the Konor use a visual code, such as heliograph or semaphore, our energy scans would not necessarily detect them. "
The book that Uncle Ed sent us had in it a description of a heliograph, that is, an instrument for sending signals with flashes of sunlight.
It was a lieutenant and a couple of privates of the 8th Hussars, with a stand like a theodolite, which the artilleryman told me was a heliograph.
Let 'em stand up and vote in opposition to logic and morality, or else grow a spine and some cajones and vote for the good of the country, the troops and what's left of their souls. heliograph wrote on September 19, 2007 2: 01 AM:
An industrial civilization does not easily go back to the Stone Age, but people adjust to what feels like the 19th-century frontier another favorite Heinlein setting: Ceramics replace metals, heliograph substitutes for radio, airdrops come in from outside.
In this world of the twenty-first century, with all but five per cent of the population concentrated in the mechanized cities, to be out here, miles from civilization, beyond all hope of communication, off the regular air lanes and without radiophone or heliograph.