heliograph

How To Use heliograph In A Sentence

• Hale also gained prominence as an astronomer with his invention of the spectroheliograph and the discovery of magnetic fields in sunspots.
• Although visual signaling - wigwag, sun-powered heliograph, and observation balloons - remained important to the U.S. military, the Spanish-American War found commercial and military telegraph enjoying extensive use.
• The solar telescopes and spectroheliographs of the Mount Wilson Observatory were among the earliest modern facilities for the study of the solar surface.
• Tell him how you feel. heliograph wrote on September 18, 2007 9: 44 PM: Election Central | Talking Points Memo | GOP Senator Warner "Reconsidering" Support For Webb Troop Bill
• 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. "The Barrier" by Harl Vincent, part 4
• To continue with my trip, the remainder of the summer was spent in patrolling, keeping weather reports, heliographing and reporting fires.
• In that small boat was the man to whom the signal had been heliographed.
• I might as well have used a heliograph to yoo-hoo them over here. BLOOD IS DIRT
• We tried by radio and by heliograph, in accordance with internationally accepted means. The Attack on the Liberty
• I might as well have used a heliograph to yoo-hoo them over here. BLOOD IS DIRT