હેલીયોગ્રાફી,

heliography's Usage Examples:

Niépce developed heliography, a technique he used to create the world"s oldest surviving product of.

the instrument station through heliography, a signalling system using impulsed reflecting surfaces.

telescope, a telescope especially adapted for viewing the surface of the sun heliography, the photographic process used to make the earliest known permanent photograph.

In pre-radio times heliography was often the only means of communication that could span ranges of as.

by Johann Heinrich Schulze in 1724, and Joseph Niépce"s bitumen-based heliography in 1822 contributed to development of the daguerreotype.

second mirror for communicating with the instrument station through heliography, a signalling system using impulsed reflecting surfaces.

contact-exposed copy of an engraving, was made in 1822 using the bitumen-based "heliography" process developed by Nicéphore Niépce.