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Radiator ValveValve on a Joy radiator in a Titusville home.
Joy Patent No. 456895Patent no. 456895 for a generator for steam heating apparatuses designed by T.C. Joy
Joy Radiator Patent No. 524804Patent no. 524804 for a radiator coupling
Logo on a RadiatorPhoto of the T.C. Joy logo on a radiator.
Non-Relief SchematicDiagram of a non-relief steam radiator
Leaky ValveDiagram of a leaky valve in a steam radiator