 Catoptric lights are capable of nine distinct variations, vi*., fixed, revolving white, revolving red and white, revolving red with two whites, revolving white with two reds, flashing, intermittent, double fixed, and double revolving.  Hunt's Yachting Magazine - Side 161866Fuld visning - Om denne bog
 | David Stevenson - 1838 - 370 sider
...flashing, intermittent, double, and leading lights. The first exhibits a steady and uniform appearance, and the reflectors used for it are of smaller dimensions than those employed in lights which revolve. This is necessary in order to permit them to be ranged round the circular frame,... | |
 | David Stevenson - 1838 - 366 sider
...whitewashing, intermittent, double, and leading lights. The first exhibits a steady and uniform appearance, and the reflectors used for it are of smaller dimensions than those employed in lights which revolve. This is necessary in order to permit them to be ranged round the circular frame,... | |
 | 1846 - 536 sider
...means for distinguishing one light from another. The distinctions at present are nine in number ; viz , fixed, revolving white, revolving red and white, revolving...with two reds, flashing, intermittent, double fixed lights, double revolving white lights. In France all the distinctions are produced by variations in... | |
 | Cyclopaedia - 1852 - 262 sider
...first exhibits a steady and uniform appearanee, whieh is not subjeet to any ehange ; and the refleetors used for it are of smaller dimensions than those employed in revolving lights. This is neeessary in order to permit them to be ranged round the eireular frame, with their axes inelined... | |
 | William Henry Davenport Adams - 1870 - 366 sider
...differing in some respect from those recognized by the French authorities. The nine classes are called fixed, revolving white, revolving red and white, revolving...with two reds, flashing, intermittent, double fixed lights, and double revolving white lights. The following account of the distinctive character of each... | |
 | Frederick Whymper - 1883 - 712 sider
...features : — "The first exhibits a steady and uniform appearance which is not subject to any change, and the reflectors used for it are of smaller dimensions than those employed in revolving lights. This is necessary in order to permit them to be ranged round the circular frame, with their axes inclined... | |
 | James Burnley - 1888 - 496 sider
...employed on the coast of England. Catoptric lights are of nine separate classes — fixed, revolvingwhite, revolving red and white, revolving red with two whites,...revolving white with two reds, flashing, intermittent, doubled fixed lights, and double revolving white lights. We cannot do better than quote Mr. A] an Stevenson's... | |
 | 1842 - 694 sider
...brilliancy of a light as much as 450 times. Catoptric lights are capable of nine distinct variations, viz., fixed revolving white, revolving red and white, revolving...The reflectors used for it are of smaller dimensions thau those employed in revolving lights, and which is necessary in order to allow of their being ranged... | |
 | King's College (University of London) Engineering and scientific society - 1858 - 308 sider
...the wick is put in. Catoptric lights are susceptible of nine separate distinctions, which are called fixed, revolving white, revolving red and white, revolving...with two reds, flashing, intermittent, double fixed lights, and double revolving white lights. The first exhibits a steady and uniform appearance, which... | |
 | 530 sider
...point have at times led to disastrous shipwrecks. There are nine distinctions of catoptric lights — ' fixed, revolving white, revolving red and white, revolving...red with two whites, revolving white with two reds, flnshing, intermittent, double fixed lights, and double revolving white lights.' The construction of... | |
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