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The science or art of delineating objects according to the laws of perspective; the theory of perspective.

Pertaining to petrography.

The art of writing on stone.

A description of celestial phenomena, as rainbows, etc.

See Pharmacognosis.

An instrument by means of which a sound can be made to produce a visible trace or record of itself. It consists essentially of a resonant vessel, usually of paraboloidal form, closed at one end by a flexible membrane. A stylus attached to some point of the membrane records the movements of the latter, as it vibrates, u…

A character or symbol used to represent a sound, esp. one used in phonography.

One versed or skilled in phonography.

Of or pertaining to phonography; based upon phonography.

In a phonographic manner; by means of phonograph.

Phonographer.

The art of constructing, or using, the phonograph.

An electrometer registering by photography.

Art or process of printing colored photographs.

(Astron.) An instrument for the photographic recording of star transits.

Art of recording or measuring intervals of time by the photochronograph. -- Pho`to*chron`o*graph"ic (#), -graph"ic*al (#), a. -- -graph"ic*al*ly, adv.

The art or process of making photo-electrotypes. Sir D. Brewster.

A picture or likeness obtained by photography.

One who practices, or is skilled in, photography.

Of or pertaining to photography; obtained by photography; used ib photography; as a photographic picture; a photographic camera. -- Pho`to*graph"ic*al*ly, adv. Photographic printing, the process of obtaining pictures, as on chemically prepared paper, from photographic negatives, by exposure to light.…