GENERAL INDEX. 



PAGE. 



Africa, Eastern, Snowy Mountains 

 of, 382 



Alloys, electro-deposition of, 235 



Agricultural Science, new theories 

 in, 276 



American Industrial Exhibition 1853, 27 



Ammonia, determination of in wa- 

 ters, 



Anaesthetic, new, 



Ant Eater, Great American, 



Anvils, improvements in, 



Arago on Twinkling, 



Arctic Phenomena, 

 " Search, 



Asteroid Planet, primitive form of, 



Artificial formation of minerals by 

 igneous action, 



Atmospheric heat, polarization of, 



Atmospheric Telegraph, Richard- 

 son's 



267 

 256 

 355 

 109 

 152 

 310 

 376 

 361 



319 

 156 



79 



Aurora Borealis and Electric Tele- 

 graph, 129 

 Aurora Borealis, non-polarization of, 158 

 Australia, gold in, 324 

 Bank, deep sea, discovery of, 308 

 Barometer, value of in navigating 



the American lakes, 200 



Bearings, improvements in, 70, 71 



Berden's quartz crusher and amalga- 



tor, 83 



Birds, Humming, nests of, 353 



Bitumen, Origin of in stratified 



rocks, 313 



Boats, canal, improvements in, 116 



Boiler-Feeder, new, 64 



Boilers, locomotive, experimental in- 

 vestigations on, 57 

 Boilers, steam, explosions of, 206 

 Boilers, various, evaporating power 



of, 205 



Breakwater, new, 51- 



Brocatelles, weaving of, 73 



Bronze color for copper and brass, 234 

 Broom, patent, 37 



Building stone, strength and densi- 

 ty of, 317 



PAGE. 



CAIVERT, M., 230 



Canal boats, improvements in, 116 



Car-axle, Gardner's compound, 67 



Canvass house, 46 



Car-brake, 66 



Car wheel and truck, new, 66 



Carbon, high temperature procured 



from, 240 



Cart, self-loading, Parks & Rue, 85 



Cary plough, 39 



Caoutchouc and its supply, 338 



Caulking of vessels, improvements 



in, 57 



Chalk, deposition of, 292 



Chinese plough, 39 



Chichester flax and hemp break, 47 



Chloroform and Ether, 257 



Chromatic photo-printing, 186 



Cider mill, Hickock's improved, 103 

 Claudet's process of engraving from 



daguerreotypes, 192 



Clemen's flax dressing machine, 49 



Clouds, influence of the Moon upon, 383 

 Colors, composition of, 179 



stereoscopic combination of, 161 

 Comets cf 1853, 359 



Compass, self-registering, 127 



Composing machine, Mitchell's, 88 



Cooking by gas, 84 



Coontee, or Florida Arrow Root, 338 

 Cotton cordage, 46 



" crop, American statistics of, 



for 1852-53, 333 



worm, 352 



Corn husking machine, Margrave's, 35 

 " hulling 36 



" sheller, Mummas', 38 



" improvements in grinding, 32 

 Crayon daguerreotypes, Mayall's im- 

 provements in, 188 

 Crystallization, researches on, 317 

 some phenomena of, 319 

 curious examples of, 319 

 Cultivators and ploughs, 39 

 Cylindrical rotary printing press, 

 Wilkinson's, 86 



