Excellent condition tachometer that reads zero hours. From, but not limited to, 1973 Cessna 172M, 1967 Cessna 177 and others. Glass is like new, tach reading is at zero hours.
567T 73 stenciled on case. “Inspection Functional Test” stamped on case.
Green scale 2200 RPM to 2700 RPM redline with sea level, 5,000 and 10,000 foot narrowing green arc.
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