Section 2 made peaceful picketing legal.
Section 3: "An act done by a person in contemplation or furtherance of a trade dispute shall not be actionable on the ground only that it is an interference with the trade, business, or employment, of some other person, or with the right of some other person to dispose of his capital or his labour as he wills."
The Life of the Rt. Hon. Sir Charles W. Dilke, Volume 2 · The Wunder Library — complete classics, free to read, with narration.