Complex sentence: Defeated in the December 1910 election, he won Manchester North West in a 1912 by-election, and when the constituency was abolished, held Manchester Exchange until 1922, when he retired following the takeover by United Steel Companies of his Workington Iron and Steel Company.
Split into simpler sentences: Defeated in the December 1910 election, he won Manchester North West in a 1912 by-election, and held it (as Manchester Exchange) until 1922. He held the seat until the next election in 1922, when he retired following the takeover by United Steel Companies of his Workington Iron and Steel Company.