U.S. Department of Health & Human Services
[Methods of ventilation in early mines]
Agricola, Georg, 1494-1555, author
Basileae: Emanuelis König, 1657
Three methods of forcing oxygen into mine shafts are illustrated, two of which are horse-driven and the third is operated by a human.
The National Library of Medicine believes this item to be in the public domain.
Is part of: De re metallica libri XII.; See related catalog record: 2301053R
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