The earliest known the rolling mill of metals was around the fourteenth century, its very small rolls were used to flatten cold metals such as gold, silver, or used in jewelry or works of art. As well as we knew that Leonardo da Vinci describes in his notes machines for the cold rolling of sheets and bars in 1480, but it is unlikely that these mills ever constructed. Until the last half of the sixteenth century, the cold rolling particularly began to take on more importance as lead, began to be used for roofing and other applications such as organ pipes.
The seventeenth century saw the hot rolling of bars of ferrous materials into thin sheets throughout Europe and especially in Germany, with applications later in that century in England and Wales. These mills were single stand mill. It was not until the eighteenth century that metal was rolled in successive stands arranged as a tandem mill, the first record of which was for the hot rolling of wire rods in England in 1766, and 1798 a patent was issued for a tandem mill for rolling iron plates and sheets.
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