. Lighthouse construction and illumination; . 190, 247, 252, 254, 255, 256, 258, 259. Unst Lighthouse, 4, 42. INDEX. 289 Vakley, Mr,, 179. Walden, Captain, 255. Walker, James, 20. Waves, height of. Law of increase as square roots of distance from windward shore, 2. force of, 4, 7, 8. ,, dynamometers for mea-suring, 5, 9. force of, at different levels, 8. „ in summer and winter gales, 7. force of, horizontal back draught, 10. greatest height of, in the ocean, 3. relation between height of and depth of water, 11. Waves, modifying influence of rocks on breaking waves, , 13.,
. Lighthouse construction and illumination; . 190, 247, 252, 254, 255, 256, 258, 259. Unst Lighthouse, 4, 42. INDEX. 289 Vakley, Mr,, 179. Walden, Captain, 255. Walker, James, 20. Waves, height of. Law of increase as square roots of distance from windward shore, 2. force of, 4, 7, 8. ,, dynamometers for mea-suring, 5, 9. force of, at different levels, 8. „ in summer and winter gales, 7. force of, horizontal back draught, 10. greatest height of, in the ocean, 3. relation between height of and depth of water, 11. Waves, modifying influence of rocks on breaking waves, , 13., , Professor, , , dimensions of, Breakwater, 5, , J. K., 135, 210, 247, , Air., 164, 176, 181, , J., 135, , Dr. George, , force of, on lighthouse towers, 41, relative force of currents of wind and water of equal velocity, 41,Winstanley, H., Rock Lighthouse, 20, 142, , Dr. StrethiU, 164. Printed by R. & R. Clark, Edinburgh. PLATE IBELL ROCK. PLATE II MINOTS LEDGE UNITED STPvTES. SPECTACLE REEF UNITED STATES
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherlondo, bookyear1881
