F Danvers b. 1861 Power: Полный список книг

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A pocket-book for miners and metallurgists comprising rules, formulae, tables, and notes: for use in field and office work - F Danvers b. 1861 Power

A pocket-book for miners and metallurgists comprising rules, formulae, tables, and notes: for use in field and office work

F Danvers b. 1861 Power