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Jerónimo de Ayanz y Beaumont

Jerónimo de Ayanz y Beaumont (1553–1613) was a Navarrese soldier and inventor. A page to Philip II from 1567, he later fought in Tunisia, at Gembloux and in the Azores, winning the Order of Calatrava.

Appointed administrator of the crown mines in 1587, he oversaw mines in Spain and America and turned to technology. He tested an immersion suit before Philip III in 1602, designed mine ventilation systems, and in 1606 registered the first patent for a steam-powered machine, built to drain flooded mines. He died in Madrid in 1613.

References

  1. en.wikipedia.org/wiki/Jerónimo_de_Ayanz_y_Beaumont
  2. es.wikipedia.org/wiki/Jerónimo_de_Ayanz_y_Beaumont