the device, art, or rehearse of telegraphing, or signaling, with the heliograph.
an early on photographic process conceived by Nicéphore Niepce, and still found in photo-engraving. It is made up essentially in exposing under a design or in a camera a polished material plate covered with a preparation of asphalt, and subsequently managing the dish with an appropriate solvent. The light renders insoluble those parts of the film which is attacks, and thus a permanent picture is made, that could be etched upon the dish through acid.
a technique of signaling between distant things in the form of the heliograph.
overall, photography; specifically, some special photographic process; photographic engraving. Begin to see the herb, and heliographic engraving, under heliographic.
The description and mapping associated with area for the sunlight.
A figure of speech in which the expression is an evident exaggeration of the meaning intended to be conveyed or by which things are represented as much greater or less better or worse than they really are a statement exaggerated fancifully through excitement or for effect...