None
Waves, deep-sea : — Advance of form, and motion of particles, 176, 178 Construction of profiles, 177 Dimensions corresponding to given forces of wind, 207 Effective slope of, 213, 214, 279 Exaggeration of heights, 195 Fluid pressures in, 183 Heaving motion produced by, 186, 217 Internal structure, 180, 183 Influence of ratio of wave period to still- water period of ship, 212, 216, 217, 229 Maximum slopes, 185 Methods of observing dimensions, 190, 194 Ratios of heights to lengths, 196, 234 Speed of wave compared with speed of wind, 205, 206, 208 Simimary of observed dimensions, 194, 1 207 Superposition of series, 200 Theoretical formulae for, 187 Utilisation of power, 208 Viscosity of, 188 Longitudinal strains of ships amongst, 294, 299 Oscillations of ships amongst (see Pitching and Eolliug). Transverse strains of ships amongst, 307 Weights, per cubic foot : — Of iron, 387 Of principal shipbuilding timbers, 388 Of sea and river water, 2, 9 Weights of hulls in various classes of ships, 384, 385 Weights per indicated horse-power for various types of marine engines, 523 •Winds : — Apparent direction of, 486 Condition of ships sailing on a, 486 Connection between force of wind and size of wave, 205, 207 Normal j)ressures, forces,and speeds of,482 Normal pressure affected by size and height of sail, 511 Oblique action on sails, 483 Outstripped by ice yachts, 491 Wing-passages of ironclads, 27 Wood, as a material for shipbuilding : — Causes of decay in, 403 Compared with iron, 383 Moduli of elasticity, 391 Eesistance of combinations to tensile and compressive strains, 391, 392 Resistance to bending strains, 396 Resistance to perforation, 315 Tensile and compressive strengths of, 388, 390 Wood ships : — Average durability of, 401 Construction of ram-bows, 318 Decks of, 345, 372 Features in which inferior to iron or steel, 373, 383 Methods of framing, 348, 368 Metal sheathing on bottoms, 420 Rapid decay of many, 402 Skin planking of, 331, 332, 355 Stern strengthenings of screw-steamers, 322 Strength of bottoms, 315 Work, mechanical :— Definition of, 144 Done in inclining ships, 146 „ putting rudder over, 609, 611 Useful, of marine engines, 518 Yachts : — Displacement tonnage, 69 Forms and proportions of racing, 514 Her Majesty's, special construction of, 358 „ speed of, 542, 572 Ice, speed of, 491 Power to carry sail, 510 Sail-spread of, 494, 498 Time allowance on racing by New York rule, 70 Tonnage measurement : — By Thames rule, 67 By Corinthian rule, 69 By sail-spread, 70 Yards : bracing of, when sailing on a wind, 492 Yawing : mode of measuring, 270 Yawls : plain sail of, 494, 498 Zinc sheathing for bottoms of wood and iron , ships, 417, 419, 423 Zinc protectors to copper sheathing, 417 LONDON : PRINTED BT WILLIAM CLOWES AND SONS, LIMITED, STAJIFOBD STREET AND CHAniKG CROSS. UNIVERSITY OF CALIFORNIA LIBRARY BERKELEY Return to desk from which borrowed. This book is DUE on the last date stamped below. i'-' S.l O I v • r-- r- .-, ■ f, , Vv • ■•-«.-* 3 1 19.54 OCT 3 0 1994 ENQ i ii r. r.. NG LIBRARY LD 21-100»n-7,'52(A2528sl6)476 836452 THE UNIVERSITY OF CALIFORNIA LIBRARY U.C.BERKELEY LIBRARIES CDMasasMST m ac m m mi ■mm mm^ ^m mm m m-M' 7v?a ss^ •aS!; p ^w rsmm ;fi^if'ii^^^r^l-l0^iS4imi. _ :.'.-*!;'i?&S;^^. 