Herschel's Love of Music 59 Herschel, his First Telescope 75 Herschel, his Sister 94 Holding a "Craw's Court" 30 Hyena, A Tame 107 India Rubber 150 Years Since 85 Indian Jugglers' Secret, The 105 Invention of Gun Cotton 35 Invention of the Diving-Bell 78 Invention of the Hand Gear 130 Invisible Despatch, The 107 Jesuit's Bark, The First Use of 51 Kaleidoscope, Combinations of the 84 Kaleidoscope, Sir D. Brewster's 120 Kaleidoscope, The First 91 Leaning Tower of Pisa, The 29 Leibnitz's Last Moments 21 Lifting Heavy Persons 124 Lighthouses, Reflecting, The Origin of 123 Lion Eaten as Food, The 101 Lithography, The Discovery of 159 London as a Port 48 Longevity of the Beetle 102 Magnetic Correspondence in the 17th Century 142 Mariner's Compass, The 156 Marvels of the Alchemists 129 "Means to the End," The 84 Mechanical Triumphs 57 Monochromatic Painting 156 Moon Seen through Lord Rosse's Telescope, The 101 Mythology of Science, The 64 Navigation before the Compass 144 Necessity the Mother of Invention 136 Newton's Finger-Magnet 20 Nice Robbery, A 55 Observatory, Ancient, in Persia 47 Old St. Paul's, A Wrench to 146 Origin of Post Paid Envelopes 42 Ostrich, Enemies of the 108 Parachute Descent, A Safe 104 Pascal's Childhood 18 Pascal, How He Weighed the Atmosphere 28