Vocabulary : Photographometer to Photolithography

Photographometer : An instrument for determining the sensibility of the plates employed in photographic processes to luminous rays.
Photographone : A device, consisting essentially of an electric arc and a camera, by which a series of photographs of the variations of the arc due to sound waves are obtained for reproduction by means of a selenium cell and a telephone.
Photography : The science which relates to the action of light on sensitive bodies in the production of pictures, the fixation of images, and the like. ;; The art or process of producing pictures by this action of light.
Photogravure : A photoengraving; also, the process by which such a picture is produced.
Photoheliograph : A modified kind of telescope adapted to taking photographs of the sun.

Photoheliometer : A double-lens instrument for measuring slight variations of the sun's diameter by photography, utilizing the common chord of two overlapping images.
Photolithograph : A lithographic picture or copy from a stone prepared by the aid of photography. ;; To produce (a picture, a copy) by the process of photolithography.
Photolithographer : One who practices, or one who employs, photolithography.
Photolithographic : Of or pertaining to photolithography; produced by photolithography.
Photolithography : The art or process of producing photolithographs.

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