But the young man was either ignorant of the ties which linked Salvat to his father, or else he possessed great power of self-control, for he merely smiled at Grandidier's sketch of the magistrate.
Then, as Grandidier went to look at the piece of mechanism which Thomas was finishing, and they began to speak about it, Pierre drew near to an open doorway which communicated with a long workshop where engine lathes were rumbling, and the beams of press-drills falling quickly and rhythmically.

Leather gearing spun along with a continuous gliding, and there was ceaseless bustle and activity amidst the odoriferous dampness of all the steam.

Scores of perspiring workmen, grimy with dust and filings, were still toiling.

Still this was the final effort of the day.
And as three men approached a water-tap near Pierre to wash their hands, he listened to their talk, and became particularly interested in it when he heard one of them, a tall, ginger-haired fellow, call another Toussaint, and the third Charles.
Toussaint, a big, square-shouldered man with knotty arms, only showed his fifty years on his round, scorched face, which besides being roughened and wrinkled by labour, bristled with grey hairs, which nowadays he was content to shave off once a week.

It was only his right arm that was affected by paralysis, and moved rather sluggishly.