Graybill v. Pullman Motor Car Co.

Citations

• 71 Pa. Super. 129
• 1919 Pa. Super. LEXIS 45

Syllabus

<p>Negligence — Master and servant.</p> <p>In an action by a servant against a master to recover damages for personal injuries caused by the bursting of an alleged defective pipe fitting in a compressed air system, tbe question of the negligence of the defendant is for the jury, where positive evidence is produced that the explosion was caused by a defective valve.</p> <p>Evidence — Expert testimony — Cross-examination.</p> <p>Where a witness is testifying as an expert and his competency as such has been passed on by the court he may be asked on cross-examination any material question directly bearing upon his .testimony-in-chief as to what caused the accident involved in the case, and refusal to allow such question is reversible error.</p>