GENERAL INDEX 



masses of volcanic matter, 3, 

 132; his theories of rock 

 formations, 3, 134. 



Sea-going steamships, 7, 73. 



Seldon, Charles S., secured a 

 patent designed to cover 

 the use of the internal-com- 

 bustion engine as a motor for 

 road vehicles, 7, 157. 



Semach, O. P., 9, 179; designed 

 the steel work for the Singer 

 Tower, 9, 179. 



Seneca, his silence regarding 

 wind-mills makes their pres- 

 ence in Rome during his 

 time problematical, 6, 68; 

 records that special fire guards 

 watched the Roman house 

 during entertainments, 9, 150. 



Senefelder, Alois, invented 

 lithography, 8, 196; made 

 various experiments in at- 

 tempting to reproduce pic- 

 tures for his writings, 8, 198. 



Sennacherib, Mesopotamian 

 conqueror; his achievements 

 recorded on prisms now in the 

 British Museum, 8, 105. 



Serum-therapy, 4, 240; the es- 

 tablishment of, 4, 244. 



Serum treatment for serpent- 

 poisoning, 5, 184. 



Servetus, discoverer of pulmo- 

 nary circulation, 2, 168. 



Servinus, makes practical stud- 

 ies of effect of air in motion, 

 his sailing car, 6, 68; dis- 

 covers law of pressure in all 

 directions, 6, 75. 



Seven Wise Men of Greece, 1, 

 104. 



Severinus, Marcus Aurelius, 

 Italian surgeon, 2, 185. 



Sewage-disposal, the famous 

 system of Berlin, 5, 199; the 

 system of the Parisians, 5, 

 200. 



Sewing-Machine, The, Chapter 

 IV, 9, 87. 



Sewing-machine, what it has 

 done for civilization, 9, 87; 

 the machine of Charles F. 

 Weisenthal, 9,89; the sewing- 

 machine of Thomas Saint, 9, 



89; the first practical sewing- 

 machine invented by Bar- 

 thelerny Thimonnier, 9, 90; 

 mobs destroy the factory con- 

 taining Thimonnier machines, 

 9, 91; the American, John J. 

 Greenough, invents a sewing- 

 machine using a double- 

 pointed reedle, 9,91; the sew- 

 ing-machine of Walter Hunt, 

 9, 92; the invention of Elias 

 Howe, Jr., 9, 93; description 

 of his machine, 9, 94; im- 

 provement on Howe's ma- 

 chine by John Bachelder, 9, 

 96; improvement in mechan- 

 ism of, by Allen B. Wilson, 9, 

 96; Isaac M. Singer invents 

 a new type of sewing-machine, 

 9, 97; effect of sewing-ma- 

 chines upon manufactures, 9, 

 99; machines adapted to 

 various purposes, 9, 101. 

 Sextant, invention of the, 2, 

 257; the development of, 7, 



Shackleton, Lieutenant, deter- 

 mined the location of the 

 south magnetic pole, 7, 13. 



Ships built of iron and steel, 7, 



Shoes, manufacture of. See 

 Clothing the Extremities, 9, 

 103. 



Shooting-stars, 3, 55; the great 

 shower of 1833, 3, 171; the 

 same in kind and origin as 

 meteors, 3, 172. 



Shovel, a modified form of the 

 lever, 6, 57. 



Sibu, whose contorted attitudes, 

 according to Egyptian myth- 

 ology, caused the irregulari- 

 ties of the earth's surface, 1, 



Signatures, doctrine of, 2, 160. 



Siemens (with Halske) invented 

 a lamp having a tantalum 

 filament, 6, 235; his experi- 

 ments with electric motors, 7, 

 181. 



Simpson, Sir J. Y., discovers the 

 anaesthetic power of chloro- 

 form, 4, 217. 



