199 A.2d 131 Griest v. Playtown, Inc., Appellant. Supreme Court of Pennsylvania.January 23, 1964. March 24, 1964. Practice — Trial — Charge to jury — Submission of negligence issue — Evidence — Admissibility — Answers to interrogatories — Adminisibility for impeachment — Life expectancy tables — Closing speech of counsel accusing witness of perjury. 1. […]