Encyclopaedia Br
章节目录
共 50 题- ENCYCLOPAEDIA BRITANNICA
- ELEVENTH EDITION
- VOLUME XVI, SLICE VI
- Lightfoot, Joseph to Liquidation
- ARTICLES IN THIS SLICE:
- FIG. 3. Rudyerd 1706
- FIG. 4. Smeaton 1756
- FIG. 5. Sir J. N. Douglass 1882
- Lighthouses on the Eddystone.]
- FIG. 12.--Bishop Rock.]
- FIG. 18.--Beachy Head.]
- FIG. 56.--OLD EDDYSTONE LIGHTHOUSE.
- FIG. 57.--EDDYSTONE LIGHTHOUSE.
- FIG. 58.--ILE VIERGE LIGHTHOUSE.
- FIG. 59.--MINOT'S LEDGE LIGHTHOUSE.]
- TABLE II.
- TABLE IV.
- TABLE V.
- TABLE VI.--_Electric Lighthouse Apparatus._
- TABLE VII.--_Typical Non-Electric Lighthouse Apparatus._
- FOOTNOTES:
- 1. OIL LIGHTING
- TABLE I.
- 2. GAS LIGHTING
- 3. ELECTRIC LIGHTING.
- V = a + bL.
- W = 11.7 + 10.5L + (38.9 + 2.07L)A.
- The general phenomena of the alternating-current arc are as follow:--
- Let r denote the radius PT of the zone of the sphere, then
- Hence the area of the zone swept out by PQ is equal to
- 2[pi]R cos [theta] ds = 2[pi]R² cos [theta] d[theta]
- 4[pi]R²I0 = 2[pi]R[Sigma](Iab)
- L = aV^(-25).
- A closer approximation to experience is given by the formula
- FOOTNOTE:
- LIGHTS, CEREMONIAL USE OF.
- The "Lincoln Judgment."
- FOOTNOTES:
- FOOTNOTE:
- FOOTNOTE:
- FOOTNOTE:
- The Limpopo is a river of many names. In
- FOOTNOTES:
- FOOTNOTE:
- LINDSEY, THEOPHILUS (1723-1808), English
- FOOTNOTES:
- FOOTNOTE:
- FOOTNOTE:
- FIG. 1.--Lion and Lioness (_Felis leo_).]
- FOOTNOTE: