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photography, still

(Encyclopedia)photography, still, science and art of making permanent images on light-sensitive materials. See also photographic processing; motion picture photography; motion pictures. By the end of ...

Talbot, William Henry Fox

(Encyclopedia)Talbot, William Henry Fox, 1800–1877, English inventor of photographic processes (see photography, still). A man of enormously versatile intelligence, he invented the “photogenic drawing” proces...

Gill, Sir David

(Encyclopedia)Gill, Sir David gĭl [key], 1843–1914, Scottish astronomer, educated at the Univ. of Aberdeen. He made observations of the transits of Venus and Mars and investigated the solar parallax. As astronom...

Irvington

(Encyclopedia)Irvington, town (2020 pop. 61,176), Essex co., NE N.J., an industrial suburb of Newark; settled 1692 as Camptown, renamed 1852, inc. 1898. Tools, castin...

West Paterson

(Encyclopedia)West Paterson pătˈərsən [key], borough (1990 pop. 10,982), Passaic co., NE N.J., a suburb of Paterson; inc. 1914. Electric, electronic, and photographic products are made in the borough. ...

Fuji

(Encyclopedia)Fuji fo͞oˈjē [key], city, Shizuoka prefecture, S central Honshu, Japan, on Suruga Bay. It ...

silver chloride

(Encyclopedia)silver chloride, chemical compound, AgCl, a white cubic crystalline solid. It is nearly insoluble in water but is soluble in a water solution of ammonia, potassium cyanide, or sodium thiosulfate (“h...

holography

(Encyclopedia)holography hŏlŏgˈrəfē, hō– [key], method of reproducing a three-dimensional image of an object by means of light wave patterns recorded on a photographic plate or film. Holography is sometimes...

Leverkusen

(Encyclopedia)Leverkusen lāˌfərko͞oˈzən [key], city (1994 pop. 161,760), North Rhine–Westphalia, W Germany, on the Rhine River. It is an industrial center and a road and rail junction. Manufactures include ...

mass spectrograph

(Encyclopedia)mass spectrograph, device used to separate electrically charged particles according to their masses; a form of the instrument known as a mass spectrometer is often used to measure the masses of isotop...