55 A.2d 402 Nuzum et ux. v. Spriggs et al., Executors, Appellants. Supreme Court of Pennsylvania.September 29, 1947. November 10, 1947. Principal and agent — Powers of attorney — Construction — Sale of real estate — Discretion of agent — Time for performance — Contracts — Specific performance — Certainty. 1. Strict construction of powers […]