[Healeys] Safety Gauge

[Bob Spidell]

Just noticed there are three small screw heads on the bottom of my BJ8's safety (oil press./coolant temp.) gauge.  One 
is located next to the sender line, but two are side-by-side near the face--anyone know if these are for calibration?

Bob

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Bob Spidell           San Jose, CA            bspidell at comcast.net

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