Two Jones models - the red base and the brass base versions. Red painted steel base is Model PK-205, and the brass base is Model PK-205-B. Jones also made a gold-plated brass base version, a straight key, and a brass single-lever key. The company was basically a machine shop that custom-made various parts, mostly for the medical equipment field. Peter Jones became interested in key making when Palomar Engineers came to Jones with a Kent model (and some suggested modifications). Jones stopped making keys in 1998.
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