87 A.2d 277 Girard Trust Company v. Philadelphia, Appellant. Supreme Court of Pennsylvania.January 16, 1952. March 24, 1952. Taxation — Personal property tax — Mortgage securing accompanying bonds — Presumption against double taxation — Words and phrases — “All mortgages” — Acts of June 17, 1913, P. L. 507, June 20, 1947, P. L. 733 […]