162 



Indiana University Studies 



Manufacture of calcium carbide, calcium cyanimide, and calcium nitrate 

 (calcium). 



Manufacture of potassium and sodium bichromate (calcium). 



Manufacture of fertilizers (either). 



Manufacture of magnesia (magnesium). 



Manufacture of acetate of lime (calcium). 



Manufacture of wood alcohol (calcium). 



Manufacture of bone ash (either). 



Manufacture of calcium carbides (calcium). 



Manufacture of calcium light pencils (calcium). 



In refining mercury (calcium). 



In dehydrating alcohol (calcium). 



In distillation of wood (calcium). 

 Gas manufacture — 



Purification of coal and water gas (either). 

 Glass manufacture — 



Most varieties of glass and glazes (calcium). 

 Milling industry — ■ 



Clarifying grains (either). 



Manufacture of rubber, glue, pottery, and porcelain (either). 



Dyeing fabrics and polishing material (either). 

 Oil, fat, and soap manufacture — 



Manufacture of soap, glycerine, candles (calcium). 



Renovating fats, greases, tallow butter, etc. (either). 



Removing the acidity of oils and petroleum (either). 



Lubricating greases (either). 

 Paint and varnish manufacture — 



Refining linseed oil (either). 



Cold-water paints (either). 



Manufacture of varnish and linoleum (either). 

 Paper industry — 



Soda method (calcium). 



Sulphite method (magnesium). 



For strawboard (either). 



As a filler (either). 

 Preserving industry — 



Preserving eggs (calcium). 

 Sanitation — 



As a disinfectant and deodorizer (calcium). 



Purification of water for cities (calcium). 



Purification of sewage (calcium). ' 

 Smelting industry — 



Reduction of iron ores (either). 

 Sugar manufacture — 



Beetroot (calcium). , v 



Molasses (calcium). 

 Tanning industry — 



Tanning cowhides (calcium). 



Tanning goat and kid hides (either). 



Water softening and purifying (calcium). 



