English

Light science for leisure hours : a series of familiar essays on scientific subjects, natural phenomena, &c.

Strange discoveries respecting the aurora.--The earth a magnet.--Our chief time-piece losing time.--Encke the astronomer.--Venus on the sun's face.--Britain's coal cellars.--The secret of the North pole.--Is the Gulf Stream a myth?--Floods in Switzerland.--A great tidal wave.--Deep-sea dredgings.--The tunnel through Mont Cenis.--Tornadoes.--Vesuvius.--The earthquake in Peru.--The greatest sea-wave ever known.--The usefulness of earthquakes.--The forcing power of rain.--A shower of snow-crystals.--Long shots.--Influence of marriage on the death-rate--The topographical survey of India.--A ship attacked by a sword-fish.--The safety-lamp.--The dust we have to breathe.--Photographic ghosts.--The Oxford and Cambridge rowing styles.--Betting horse races: or, The state of the odds.--Squaring the circle.--A new theory of Achilles' shield

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