GENERAL INDEX 



against cold, 9, 103; the 

 shoes of ancient people, 9, 

 105 ; fantastic foot-gear of the 

 Middle Ages, 9, 107; the 

 rise of the modern shoe 

 industry, 9, 108; Thomas 

 Beard, shoemaker who came 

 on the Mayflower, 9, 108; 

 Philip Kertland established a 

 shoe manufactory at Lynn, in 

 1636, 9, 1 08; Massachusetts 

 the center of shoe industry 

 during the Revolutionary 

 War, 9, 109; early methods 

 of shoe manufacture, 9, no; 

 the wooden shoe peg invented, 

 1811, 9, no; application of 

 machinery to shoe-making, 9, 

 112; the introduction of the 

 McKay sewing-machine, 9, 

 112; introduction of the 

 Goodyear heeling machine, 9, 

 113; lasts and patterns, 9, 

 117; actual process of shoe- 

 making in factories at the 

 present time, 9, 119; gloves 

 and gauntlets, 9, 121; pos- 

 sible origin of the use of gloves, 

 9, 122; glove- wearing in the 

 Middle Ages, 9, 124; early 

 manufacture of gloves, 9, 125; 

 application of the sewing- 

 machine to glove-making, 9, 

 128; materials for making 

 gloves, 9, 129; methods of 

 tanning the hides, 9, 130. 



Clymer, an early printer whose 

 presses were of the primitive 

 Gutenberg type, 8, 122. 



Coal-tar colors, 8, 311. 



Cocking, Henry, type of para- 

 chute invented by, 7, 245. 



"Coherer," instrument invented 

 by Doctor Branly for detect- 

 ing the presence of Hertzian 

 waves, 8, 52. 



Cohesion, "force" of, 5, 49. 



Colding, a Danish scientist, and 

 the transformation of heat, 



3, 257- 



Cole, Humfray, suggested a 

 means of measuring a ship's 

 rate of progress, 7, 15. 



Cole, Timothy, famous contem- 



porary engraver whose work 

 differs in quality rather than 

 in method from the earliest 

 wood-engraving, 8, 187. 



Cole, championed the cause of 

 Lewis Paul as inventor of the 

 spinning-machine, 9, 22. 



Collodion-emulsion process, in- 

 vented by Bolton and Sayce, 

 8,231. 



Color-photography, the develop- 

 ment of, 8, 234; the future of, 

 8, 247- 



Colton, Dr., associated with Mr. 

 Lilly in the construction and 

 operation of a small model 

 locomotive, 7 ? 179. 



Columbus, Christopher, effect 

 of his discovery, 2, 50; would 

 not have dared attempt his 

 voyage of discovery without 

 a compass, 7, 9; found cotton 

 growing in most of the lands 

 he discovered, 9, 7. 



Columbus, sixteenth-century an- 

 atomist, 2, 1 66. 



Comets, strangers to our plane- 

 tary system, 3, 38; their 

 movements not controlled by 

 the general law, 3, 39; eccen- 

 tric orbits, 3, 51; their spec- 

 tacular tails, 3, 52, 53; Encke 

 and Biela's discovery of, 3, 

 54; twenty are controlled by 

 Jupiter and Saturn, ibid.; 

 Biela's broken into fragments, 

 3, 55; Professor Newcombe's 

 estimates of, 3, 56; minor 

 nebulae drawn into our sys- 



tem, 3, 70. 



by 



Communism as advocated 

 Pythagoras, 1, 127. 



Compound engine, Woolf's de- 

 velopment of, 6, 117; Horn- 

 blower's invention of, 6, 

 117. 



Compound engine see Steam 

 engine. 



Computations, as to the age of 

 the earth's crust, 5, 210; of 

 the earth's ultimate fate, 5, 



Conquest of the Zones, Chapter 

 1,7,5- 



[l6 9 ] 



