- Voltaire on fossils, 661.
- Vortices, theory of, 513, 517.
- Vulcan, supposed planet, 414.
- W
- Wallis, 124, 175.
- Water, compressibility of, 338;
- properties of, 610.
- Watt’s parallel motion, 462.
- Waves, 599, 635;
- nature of, 468;
- in canals, 535;
- earthquake, 297.
- Weak arguments, effect of, 211.
- Wells, on dew, 425.
- Wenzel, on neutral salts, 295.
- Whately, disjunctive propositions, 69;
- probable arguments, 210.
- Wheatstone, cipher, 124;
- galvanometer, 286;
- revolving mirror, 299, 308;
- kaleidophone, 445;
- velocity of electricity, 543.
- Whewell, on tides, 371, 542;
- method of least squares, 386.
- Whitworth, Sir Joseph, 304, 436.
- Whitworth, Rev. W. A., on Choice and Chance, 395.
- Wilbraham, on Boole, 206.
- Williamson, Professor A. W., chemical unit, 321;
- prediction by, 544.
- Wollaston, the goniometer, 287;
- light of moon, 302;
- spectrum, 429.
- Wren, Sir C., on gravity, 581.
- X
Table of Contents
INDEX.
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