134 A. 408 Commonwealth v. Chambersburg Engineering Co., Appellant. Supreme Court of Pennsylvania.May 25, 1925. June 26, 1926. Taxation — Corporations — Emergency profits tax — Net income — Deductions for losses — Act of June 28, 1923, P. L. 876 — Federal tax — Net incomes — Acts of Congress of 1921 and 1923. […]