Watt’s smile was further peculiar in this, that it seldom came singly, but was followed after a short time by another, less pronounced it is true. In this it resembled the fart. And it even sometimes happened that a third, very weak and fleeting, was found necessary, before the face could be at rest again. But this was rare. And it will be a long time now before Watt smiles again, unless something very unexpected turns up, to upset him.