BC 221 Frequency Meter tidy up

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BC 221 Frequency Meter tidy up

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#12

19-02-18, 04:46

David Dunlop David Dunlop is offline

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Join Date: Feb 2006

Location: Winnipeg, MB, Canada

Posts: 3,599

Rod.

On my meter, the 6 holes you asked about are where a set of solid head, hollow rivets secure the metal backing plate for the calibration chart booklet to the front cover.

You mention your charts are not matched to the meter so I am guessing somebody at some point went to a lot of trouble to remove the original chart book from the meter.

Hope that solves your mystery.

David

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