 | Perry Fairfax Nursey - Industrial arts - 1858 - 664 pages
...catndioptric zones: Л, B,C, thirteen upper catadioptric zones ; O, O, diagonal legs ; К, К, service table. rings of glass, forming by their union a hollow cage composed of polished glass, 10 feet high and G feet in diameter. I know of no work of art more beautiful or creditable to the boldness, ardour,... | |
 | Industrial arts - 1858 - 678 pages
...ratadioptric zones ; O, O, diagonal legs ; K, K, service table. ring» of glass, forming by their union i hollow cage composed of polished glass, 10 feet high and 6 feet in diameter. I inow of no work of art more beautiful or creditable to tlie boldness, ardour, intelligmcc, and zeal... | |
 | Edward Nugent - 1870 - 304 pages
...rings of glass, ranged in a cylindrical form, and above a crown of thirteen triangularly prismatic rings of glass, forming by their union a hollow cage,...polished glass, 10 feet high and 6 feet in diameter. The illuminating effect of this arrangement of lenses, as measured at moderate distances, has generally... | |
 | Edward Henry Knight - Industrial arts - 1876 - 996 pages
...rings of glass, forming by their union a hollow cage, composed of polished glass ten feet high and six feet in diameter. I know of no work of art more beautiful or creditable to the boldness, ardor, intelligence, and zeal of the artist.' More than one hundred and fifty of the-* dioptric lights... | |
 | Edward Henry Knight - Industrial arts - 1876 - 1000 pages
...glass, forming by their union a hollow cage, composed of polished glass ten fe.-t high and six feet ill diameter. I know of no work of art more beautiful or creditable to the boldness, ardor, intelligence, and zeal of the artist.' Moro than one hundred and fifty of the.se dioptric lights... | |
 | Arnold Burges Johnson - Lighthouses - 1889 - 222 pages
...glass, the lamp is placed. " Nothing can be more beautiful," says the great Scotch light-house engineer, Mr. Alan Stevenson, " than an entire apparatus for...art more beautiful or creditable to the boldness, ardor, intelligence, and zeal of the artist." In coast lights, the light is not generally required... | |
 | United States. Light-House Board - Lighthouses - 1893 - 968 pages
...rings of glass, forming by their union a hollow cage, composed of polished glass, 10 feet high and Ij feet in diameter. I know of no •work of art more beautiful or creditable to the boldness, ardor, intelligence, and zeal of the artist." In coast lights, the light is not generally required... | |
 | Agriculture - 1912 - 378 pages
...union a hollow cage, composed of polished glass, 10 feet (3.05 meters) high and 6 feet (1.83 meters) in diameter. I know of no work of art more beautiful or creditable to the boldness, ardor, intelligence, and zeal of the artist. A first-order apparatus is 12 feet (3.65 meters) high... | |
 | Geography - 1913 - 830 pages
...a lens the distinguished lighthouse engineer, Alan Stevenson, wrote: "Nothing can be more beautiful than an entire apparatus for a fixed light of the...6 feet in diameter. I know of no work of art more beautifully creditable to the boldness, ardor, intelligence, and zeal of the artist." With the most... | |
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It consists of a central belt of refractors, forming a hollow cylinder 6 feet in diameter and 30 inches high ; below it are six triangular rings of glass, ranged in a cylindrical form, and above a crown of thirteen rings of glass, forming by their union... 