4,50 



INDEX. 



Amalgams, ii. 104? 

 Amber, ii. 129 

 Ammonia, ii. 85 

 Animal substances, ii. 137 

 Animalculae, method of pro- 

 curing, ii. 339 

 Antimony, ii. 115 

 Aquatinta, ii. 432 



Arsenic, ii. 116 

 Arsenic acid, ii. 117 

 Astronomy, i. 413 

 Attraction, i. 12 



-, electrical, i. 324 

 , magnetic, i. 39S 



, 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 

 Battevy, electrical, i. 340 



, galvanic, i. 383 



Beer, ii. 135153 

 Bell metal, 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 



Bronzing, ii. 282 



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. 131209 



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 



, instruments for, 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 

 , uzjmuth, i. 412 



