...Pennsylvania the implied warranty of fitness for a particular purpose, Pa. Stat. Ann. tit. 12A, 2-315 (1970), not only protects a buyer who purchases goods with the intention of using them in a...implied warranty of fitness for a particular purpose, Pa. Stat. Ann. tit. 12A, 2-315 (1970). Defendant now contends that such a suit is tenable only where the goods were purchased for a particular purpose...factual showing, sufficient to go to the jury, of the existence of an implied warranty of fitness for a particular purpose under Pa. Stat. Ann. tit. 12A, 2-315 (1970), its breach, the giving of notice of...