He was aware of the new rolling and coining system in which the involvement of the use of machinery and devices were moved by hydraulic wheels.
[2] In 1582, a team of experts travelled to Spain from the Austrian territory of Tyrol in search for the most fitting location in which they could construct the building that would stock the machinery.
The property chosen was owned by Antonio de San Millán and was located on the banks of the Eresma River.
The construction of the new building began on November 7, 1583 in which they used plans drawn from Juan de Herrera, who at that time was considered the most famous Spanish architect.
The first draft of the construction was made by Juan Herrera and a group of tyroleans that were sent by the archduke and since then the place has stayed almost intact.