|
"Uncolored" Quotes from Famous Books
... conditions the range of the more powerful light-sources used in lighthouses is greater than the range as limited by the curvature of the earth. For the uncolored illuminants the range in nautical miles appears to be at least equal to the square root of the candle-power. A real practical limitation which still exists is the curvature of the earth, and the distance an object may be seen by the eye at sea-level depends upon the height ... — Artificial Light - Its Influence upon Civilization • M. Luckiesh |
|
Copyright © 2024 Diccionario ingles.com
|