The Standard Oil Company of New Jersey and 33 other corporations, John D. Rockefeller, William Rockefeller and five other individual defendants prosecute this appeal to reverse a decree of the court below. Such decree was entered upon a bill filed by the United States under authority of ? 4, of the act of July 2, 1890, c. 647, p. 209, known as the Anti-trust Act, and had for its object the enforcement of the provisions of that act. The record is inordinately voluminous, consisting of twenty-three volumes of printed matter, aggregating about twelve thousand pages, containing a vast amount of confusing and conflicting testimony