Vintage 1956 Hearth-Ball Unearthed Posted on July 11, 2016July 11, 2016 by Costa Oil - 10 Minute Oil Change Antique 1956 Fire-Ball Unearthed Information In 1955, Graco launched its first Hearth-Ball Air-Powered Oil and Grease Pump. …read more Sending User Review 0 (0 votes)