This took two months; but all these manipulations were successfully carried on unknown to Pencroft, for, occupied with the construction of his boat, he only returned to Granite House at the hour of rest.
Cela demanda deux mois; mais toutes ces manipulations purent être faites à l'insu de Pencroff, car, occupé de la construction du bateau, il ne remontait à Granite-House qu'à l'heure du repos.