GENERATION, ELECTRICAL POWER TRANSMISSION, ELECTRICITY SUPPLY, ELECTRIFICATION OF INDUSTRY and ELECTRIC FURNACES.
For the articles on power transmission, by various means, reference should be made to the key given under that heading. The important subject of mining engineering will be found under the headings MINING, METALLIFEROUS; COAL AND COAL MINING; BORING; BLASTING, etc.; and under various subject headings such as COPPER, LEAD, GOLD, SILVER, etc. For hydraulic engineer ing, reference should be made to the articles HYDRAULICS; HY