Read it through once

There was a pause in the very breathing of the clerks. Everyone was astounded (the author of the witticism no less than his neighbours) and Miss Delacour, who was a stout amiable person, began to smile broadly. Mr Alleyne flushed to the hue of a wild rose and his mouth twitched with a dwarf’s passion. He shook his fist in the man’s face till it seemed to vibrate like the knob of some electric machine: