mines Cincinnati strike -- One of the means used for publicitiy by the strikers from Electric railway journal. p. 384 of Georgii Agricolae De re metallica libri xii p. 276 of Georgii Agricolae De re metallica libri xii Diagram of mine workings in book VI, "Machines for Drawing Heavy Vapours off from Tunnels" in Georgii Agricolae De re metallica libri xii p. 152 of Georgii Agricolae De re metallica libri xii p. 90 of Georgii Agricolae De re metallica libri xii The image shows mine workers sieving material through both dry and wet sieves from Georgii Agricolae De re metallica libri xii, qvibu officia,instrumenta, machinae...
Cincinnati strike -- One of the means used for publicitiy by the strikers from Electric railway journal.
Diagram of mine workings in book VI, "Machines for Drawing Heavy Vapours off from Tunnels" in Georgii Agricolae De re metallica libri xii
The image shows mine workers sieving material through both dry and wet sieves from Georgii Agricolae De re metallica libri xii, qvibu officia,instrumenta, machinae...
