15 pages matching average in this book
Results 1-3 of 15
What people are saying - Write a review
We haven't found any reviews in the usual places.
Industrial uses of current
Domestic water heaters
2 other sections not shown
3-phase advertising alternating alternating current American ampere-hour amperes apparatus average batteries Bloemfontein British broadcasting Bureau of Foreign cable capacity Cape Town carried cent centers chiefly cities commercial competition connected considerable consumer consumption cost dealers demand direct current direct-current distribution distribution board Domestic Commerce Durban dynamos elec electric stoves Electrical Equipment electrical machinery Electricity Supply Electrolux engines established extension factory German horsepower household houses increase industrial installed Johannesburg kilowatt-hours kilowatts lamps large number lighting lines manufacturers MARKET FOR ELECTRICAL ment meters Metropolitan-Vickers miles mines motors municipal Natal Netherlands operation Orange Free Pietermaritzburg plant popular Port Elizabeth power station Pretoria purchase quantity radio railway rates retail scheme sold South Africa SOUTH AFRICAN IMPORTS statistics steam substations switch telephone temperature tion total number Trade Information Bulletin transformers Transvaal turbines undertakings UNION OF SOUTH United Kingdom usually voltage volts wires Witbank