156 A. 77 McCabe et al., Appellants, v. Cannoe. Supreme Court of Pennsylvania.April 22, 1931. May 11, 1931. Evidence — Contract — Harmless error — Curing error by later admission of evidence — Subcontractor’s suit. 1. Where improper evidence has been received under objection and later the opposing party, either by cross-examination or other testimony, […]