4.50 



INDEX. 



Amalgams, ii. 104- 

 Amber, ii. 129 

 Ammonia, ii. 85 

 Animal substances, ii. 137 

 AnimalculcE, method of pro- 

 curing, ii. 339 

 Antimony, ii. 11, > 

 Aquatinta, ii. 432 



Arsenic, ii. 116 

 Arsenic acid, ii. 117 

 Astronomy, i. 413 

 Attraction, i. 12 



•-, electrical, 1.324- 



— , magnetic, i. 398 



, chemical, ii. 4 



Aurum musivum, ii. 325 



B. 



Balance, i. 32 

 Balloons, air, i. 162 

 Barometer, i. 147 

 Barometer gauge, i. 154 

 Barytes, ii- 89 

 Battery, electrical, i. 340 



, galvanic, i. 383 



Beer, ii. 135—153 

 Bellmetal, ii. 110 

 Bismuth, ii. 116 

 Bitter principle, ii. 139 



Bitumen, ii. 130 



Bleaching, ii. 160 



Blood, ii. 140 



Bone, ii. 140 



Boron, ii. 76 



Brass, ii. 110 



Bread, manufacture of, ii. 147 



Brewing, ii. 153 



Bronze, ii. 110 



BronzinsT, ii' 28*2 



C. 



Calico-printing, ii. 196 

 Calomel, ii. 104 

 Caloric, ii. 22 

 Camera obscura, i. 312 

 Carbon, ii. 70 

 Camphor, ii. 132 

 Carbonates, ii. 73 

 Carbonate of soda, ii. 82 



. of ammonia, ii. 85 



of lime, ii. 87 



^ of magnesia, ii. 89 



— of barytes, ii. 90 



Carbonic acid, ii. 71 

 Carbonic oxide, ii. 73. 

 Carburets, ii. 73 

 Casts, method of making, ii. 



289 

 Catechu, ii. 131—209 

 Caoutchouc, ii. 130 

 Cements, various kinds of, ii. 



292 

 Centre of gravity, i. 20 — of 



oscillation, i. 82 

 Centrifugal and centripetal 

 forces, i. 19 



Cerium, ii. 124 



Chemistry, definition of, ii. 1 



• Animal, ii. 141 



■ , instrumentsfor, ii.4 



Chlorates, ii. 65 

 Chloric acid, ii. 64 

 Chlorides, ii. 65 

 Chlorine, ii. 63 

 Chromate of lead, ii. 113 

 Chromium, ii. 123 

 Chronometers, i. 83 

 Cinnabar, ii. 104 

 Clay, ii. 92 

 Clepsydra, i. 83 

 Clocks, i. 84 

 Cobalt, ii. 119 

 Colouring matter, ii. 131 

 Colouring used for drawing, 

 ii. 410 



Columbium, ii. 124 



Combination, chemical, ii. 6 



Comets, i. 439 



Compass, mariners', i. 402 — 

 411 



, azimuth, i. 412 



9 



