Complex sentence: The result was the impeachment of Dundas in 1806, on the initiative of Samuel Whitbread, for the misappropriation of public money; and though it ended in an acquittal, and nothing more than formal negligence lay against him, he never again held office.
Split into simpler sentences: The result was the impeachment of Dundas in 1806, on the initiative of Samuel Whitbread, for the misappropriation of public money. Although the process ended in an acquittal, and nothing more than formal negligence lay against him, he never again held office.