552 BIOGRAPHICAL INDEX 



20, 21 ; preparation of spirit of hartshorn, 57 ; flint 

 and rock-crystal dissolved by alkalis, 171 

 1653 and 1658. Miraculum Mundi 

 1658. "Sal mirabile" or Glauber's salt, 18 



Wealthy Storehouse of Treasures. Sulphur from oil of 



vitriol, 163, 175 



All quotations are from contemporary translations, or from 

 the collected Works published in London in 1789 

 GORE, GEORGE 



1865. Properties of dry hydrogen chloride, 335 

 GRAY, R. W. Composition of nitric acid, 207 

 GRAY AND BURT. Volume of hydrogen in hydrogen chloride, 



335 



GRAY AND RAMSAY. Atomic weight of niton, 467 

 GROVE, SIR WILLIAM ROBERT (1811-1896) 



1839. "On a new electric battery of great energy." The 



Grove cell. 

 1847. Dissociation of water, 515 



VON GUERICKE, OTTO (1602-1686) 



1654. The Magdeburg hemispheres, 320 

 GUYE, A. 



Measurements of atomic weights, 318 ; association of water, 



527 



GUYE AND PlNTZA. Combining- ratio of hydrogen and nitrogen, 

 335 



GUYTON DE MORVEAU (1737-1816) 



1787. System of Chemical Ncmeitclature. See under 

 LAVOISIER 



HALES, STEPHEN, b. 1677, Kent ; d. 1761, Teddington. Doctor 

 of Theology and Vicar of Teddington 



1727. Vegetable Statics. Nitrous air obtruded itself upon, 

 him, 71 ; apparatus for collecting and measuring 

 gases, 84 



1733. Haemostatics 



VAN HELMONT, JOHANN BAPTIST, b. 1577, Brussels; d. 1644, 

 Vilvorde. Lecturer in Medicine and in Chemistry at the 

 University of Louvain. 



Willow tree grown from water, 112 



gas sylvestre and gas pingue, 64, 94 ; fixed air and 



water as products of combustion, 385 

 HENRY, WILLIAM (1774-1836) 



1800. Muriatic acid gas decomposed by sparking over 

 mercury, 224 



