xiv BIOGRAPHIES OF SCIENTIFIC MEN 



DAVY 



PAGE 



Birth Apprenticed to an Apothecary Acquainted with Gilbert and 

 Beddoes Pneumatic Institution at Bristol Forbes's Estimate of 

 Davy Poetic Powers Introduced to Coleridge and Southey 

 Anaesthetic Properties of Nitrous Oxide Lecturer at the Royal 

 Institution and afterwards Professor Johnson Quoted His Lec- 

 tures Bakerian Lecture Elements of Chemical Philosophy Voltaic 

 Battery The Wollaston Battery Napoleon's Remarks Elected 

 F.R.S. Elements of Agricultural Chemistry Salmonia ; or Days of 

 Fly-FishingConsolation in Travels; or the Last Days of a Philo- 

 sopher Rumford and Davy Heat, the vis viva of the Molecules 

 Newton's Law Discovery of Potassium and Sodium His Joy 

 Metals of the Alkaline Earths Professor Thorpe's Remarks His 

 Knighthood Marriage Chloride of Nitrogen The Safety Lamp- 

 Created a Baronet His Brilliant Experiments Death His Char- 

 acter Honours Posthumous Honours. COUNT RUMFORD : The 

 Royal Institution War of American Independence Rumford's 

 Marriage Rumford's Discoveries and Inventions Rumford's Death 

 and Burial His Grave Damaged by a Shell during the Commune 

 in 1871 . 163 



GAY-LUSSAC 



Birth Student Days in Paris Heine Quoted Assistant to Berthollet 

 His First Memoirs Gay-Lussac and Humboldt's Experiments on 

 the Atmosphere Nature of Volcanic Gases Formation of Specular 

 Iron Professorship at the Ecole Polytechnique, Paris Chair in 

 the Jardin des Plantes Dynamics of Earthquakes A New Process 

 for the Preparation of Alkaline Metals Recherches Physico-Chimiques 

 Napoleon and Men of Science Napoleon and Volta The Law of 

 Volume Avogadro's Law Law of Dulong and Petit Gay-Lussac's 

 Tower Boron, Boron Fluoride, and Boric Acid Action of Light on 

 Gases Hydriodic Acid and Iodine Cyanogen Beeswax Bleached 

 by Chlorine The Royal Ball at the Tuileries The Birth of Iso- 

 morphismThe Chlorides of Iodine Dithionic Acid, Sodamide, 

 and the Fulminates Elected a Member of the Chamber of Deputies 

 Created a Peer of France His Physical Discoveries Law of 

 Gaseous Expansion His Alcoholmeter, Syphon Barometer, and 

 Apparatus for Ascertaining Vapour Densities Cours de Physique^ 

 Cours de Chimie Honours Death Posthumous Honours Con- 

 cluding Remarks . . . . . . .175 



