| PAGE | | Strange Discoveries respecting the Aurora | 1 | | The Earth a Magnet | 14 | | Our Chief Time-piece losing Time | 30 | | Encke the Astronomer | 46 | | Venus on the Sun’s Face | 49 | | Britain’s Coal Cellars | 72 | | The Secret of the North Pole | 97 | | Is the Gulf Stream a Myth? | 114 | | Floods in Switzerland | 133 | | A Great Tidal Wave | 138 | | Deep-Sea Dredgings | 142 | | The Tunnel through Mont Cenis | 148 | | Tornadoes | 153 | | Vesuvius | 167 | | The Earthquake in Peru | 189 | | The Greatest Sea-Wave ever known | 194 | | The Usefulness of Earthquakes | 211 | | The Forcing Power of Rain | 225 | | A Shower of Snow-Crystals | 230 | | Long Shots | 233 | | Influence of Marriage on the Death-Rate | 238 | | The Topographical Survey of India | 244 | | A Ship attacked by a Sword-fish | 256 | | The Safety-lamp | 259 | | The Dust we have to Breathe | 265 | | Photographic Ghosts | 267 | | The Oxford and Cambridge Rowing Styles | 269 | | Betting on Horse Races: or, the State of the Odds | 274 | | Squaring the Circle | 288 | | A New Theory of Achilles’ Shield | 297 |
LIGHT SCIENCE FOR LEISURE HOURS. ----------
|
|
