After a few years, he took examinations for admission to the corps of military engineers,  and was accepted in the Royal Guard as engineer in 1743, where he joined the forces excavating Herculaneum in late 1749, initially at the request of Alcubierre, the Spanish military engineer who directed the royal excavations.
After a few years, he took examinations for admission to the corps of military engineers and was accepted into the Royal Guard as an engineer in 1743, where he joined the forces excavating Herculaneum in late 1749, initially at the request of Alcubierre, the Spanish military engineer who directed the royal excavations.