VINTAGE PERFECT CIRCLE PISTON RING EXPANDER FOR 8 1/8" RINGS-FOR LOCOMOTIVE?

Description

VINTAGE PERFECT CIRCLE CORPORATION PISTON RING EXPANDER for 8 1/8" PISTON RINGS. POSSIBLY FOR LOCOMOTIVE DIESEL ENGINE? LARGE DISPLACEMENT ENGINE, AT ANY RATE. APPEARS ONE HANDLE SCREW HAS BEEN REPLACED, OTHERWISE ORIGINAL. LIGHT SURFACE RUST HERE AND THERE. TOOL MOVES FREELY, SMOOTH AS SILK. TOOL IS HEAVY.
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