His work on these councils involved him using his broad mathematical and scientific knowledge, for he undertook tasks involving artillery, fortification, reconstruction of buildings, excavations, and he acted as an archivist.
Kanyang trabaho sa mga konseho ang kasangkot sa kanya ang paggamit ng kanyang malawak na kaalaman sa agham at matematika, para siya undertook gawain na kinasasangkutan artilerya, kuta, pagbabagong-tatag ng mga gusali, excavations, at siya acted bilang isang arkiwista.