Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 389
y a combination of the above. No special means is ever employed for cooling small trans-formers, as they are dry. Large transformers are cooled by filling the space sur-rounding the coils and core with a good quality of oil, whichtends to equalize the temperature of the various parts andto conduct…
Electrical engineering
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