KEY AND INDEX 



ufactth'cr. He is noted for his experiments in 

 electricity, his work having a direct effect in the 

 final perfecting of the dynamo. 



Siemens, Sir William, vi, 195. Born at Lenthe, 

 near Hanover, April 4, 1823; died at London, 

 Nov. 19, 1883. German-English physicist and 

 inventor; brother of Werner Siemens. In 1859 

 he became a naturalized British subject. He made 

 extensive researches in the field of heat and elec- 

 tricity. 



Simpson, Sir J. Y., iv, 217. Born at Bathgate, 

 Scotland, June 7, 1811; died May 6, 1870. Scot- 

 tish physician. Noted for his introduction of 

 chloroform as an anaesthetic about one year after 

 Morton's demonstration of etherization. 



Singer, Isaac M., ix, 97. Born at Oswego, 

 N. Y., Oct. 27, 1811; died at Torquay, England, 

 July 23, 1875. American machinist and inventor. 

 He improved the sewing-machine, bringing it to 

 a practical stage of perfection. 



Sloane, Sir Hans, v, 4. Born at Killyleagh, 

 County Down, Ireland, April 16, 1660; died at 

 London, Jan. n, 1753. British physician and 

 naturalist. Virtually the founder of the British 

 Museum. His collection of curios, which he 

 turned over to the British Government for a nom- 

 inal sum, formed the nucleus for the present 

 museum. 



Smith, William, iii, 74. Born at Churchill, Ox- 

 fordshire, England, March 23, 1769; died at 

 Northampton, England, Aug. 28, 1839. An Eng- 

 lish surveyor who is known as "the Father of 

 English Geology" through his studies of fossils. 

 He discovered that fossils in rocks are arranged 

 in regular systems, and that the order of succes- 



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