At about half-past three he again seated himself; and wrote until half-past six, when he had a meal.

Then once more to work from half-past seven to ten.

Numberless were the experiments he had tried for the day's division.

The slightest interruption of the order for the time being put him out of gear; Amy durst not open his door to ask however necessary a question.
Sometimes the three hours' labour of a morning resulted in half-a-dozen lines, corrected into illegibility.

His brain would not work; he could not recall the simplest synonyms; intolerable faults of composition drove him mad.