Make: Tektronix 540 Spares. 386-5954-00 Panel, Input, P/lastic, Atten. 101-0127-00 Trim, Decorative Front. 671-1701-01 Circuit Board Firmface. 671-1568-00 Circuit Board Assy D11 Bus. 671-1477-02 Processor Board Condition unknown.
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