The Ventilation of Mines (Classic Reprint) - Hardcover

Inhaltsangabe

Excerpt from The Ventilation of Mines

Enlargement of air-courses and splitting of the air-currents have been recommended as the most suitable mode of increasing the amount of ventilation, as well as the most economical means of distribution. Hitherto splitting of air has not been much resorted to in Scotland, although in other mining dis tricts it has been found to be the chief improvement in oh taining increased quantity.

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