Subject Index. 



Cob and Pise Work, 65 



Cocoa, 139, 219 



Coconut Cultivation and Planting, 



218, 219 



Coffee, Cultivation of, 219 

 Coils, Induction, 115, 116 

 Coins, History of, 4 

 Cold Storage, 82 

 Colliery and Field Surveying, 51 



Working and Management, 172 

 Colloids, 128 



Colour, in Relation to Chemical Con- 

 stitution, 127 



Blindness, 271 



Spectra, 102 

 Columns and Struts, 49 

 Comets, 160 



Commerce, History of, 4 

 Commercial Engineering, 73 



Geography , 177 



Compass (Magnetic) in Aircraft, 94 

 Compass Work. 181 

 Compressed Air (Mining), 172 



Air Power Transmission, 74 

 Concrete, 66 



Roads and their Construction , 52 

 Conifers , 208 , 210 

 Conjunctiva, Diseases of the, 270 

 Constipation , 257 

 Constitutional Diseases, 248 

 Consumption , 249 , 250 , 251 

 Continuous Current Electrical En- 

 gineering, 112, 114 



Copper, 154, 155 



Coral and Atolls, 191 



Cordage Fibres , 297 



Corrosion and Protection of Metals, 67 



of Iron and Steel, The, 153 

 Cosmogomy, Problems of, 160 

 Costing, 311 



Cotton, 218, 219, 297 



Doubling, 298 



Manufacture, 301 



Spinning, 298, 301, 302 



Waste, 298 



Weaving , 298 , 299 

 Cranes, their construction, 74 

 Crayfish, The, 191 

 Creation, Story of, 194 

 Creative Chemistry, 122 



Evolution , 9 

 Crops, Field, 218 

 Crystallography, 164 

 Currency, History of, 4 



Current: (Electrical Engineering), 112 



113 

 Cyanide Process for Extraction of 



Gold, 174 



Cyanogen Compounds, Chemistry of, 



132 

 Cycles. Motor. 80 



Electric Lighting for, 118 

 Cytology, 196 



Dairying, 215 

 Dams, Construction of, 54 

 Decoration, House, 68 

 Decorative Design , 48 

 Deformities and their Surgical treat- 

 ment, 268 

 Dentistry, 282, 283 

 Dermatology (Skin Diseases), 284 

 Design, Machine, 47 et seq. 



Textile, 300 



of Structures , 44 

 Diamonds , 101 , 173 



Diathermy, in Medicine and Surgery, 



290 

 Dictionaries of Technical Terms in 



English and other Languages, 312, 



31 3 (See also ' 'Terms . ") 

 Dietetics , 286 



Digestive System, Diseases of the, 256 

 Diphtheria ,'245 

 Dirigibles, 95 

 Discoveries : 



Astronomical, 160 



Chemical, 122, 129 



Geographical, 175 



Twentieth Century, 4 

 Diseases (various), 244 et seq. 

 Disinfectants, 139 

 Diving, 71 



Dock Engineering, 54 

 Domestic Sanitation , 58 , 59 

 Doubling, 297, 298 

 Drainage, 56 et seq. 

 Draughtsmanship, 47 et seq. 

 Dreams, 19 

 Drilling, 75, 76 

 Drugs, 139, 235, 293 

 Drying Machinery, etc., 136 

 Dust Destructors , 60 

 Dyestuffs and Dyeing, 146, 299 

 Dynamics, 40, 128 

 Dynamo, 111, 112 

 Dynamometers, 72 

 Dysentery, 245 



Ear, Diseases of, 273, 274 

 Earth, The, 167, 176 

 Earthenware, 150 

 Earthquakes, 167 

 Earthworms and their allies , 190 

 Eclipses, 160 



367 



