http://www.kunsthaus.ch/en/sammlung/restaurierung/beispiele-aus-der-praxis/auguste-rodin/etappe-1/bohrungen-des-sockels/

Kunsthaus Zürich

Drilling of the base

The drilling of four holes in the base (Photo:  K. Mürer)
The drilling of four holes in the base
(Photo: K. Mürer)
The square steel bars are set in the base (Photo:  K. Mürer)
The square steel bars are set in the base
(Photo: K. Mürer)