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Dear Frank
and others
I recently visited the refurbished Clock Museum at the Guildhall Library in
London where Lo and behold is an Elias Allen horizontal with reversed compass
markings. I did not spot any facilities for positioning a vertical rod as an
azimuth marker for the sun but will visit again shortly and report my findings.
The desciption card merely says there is a mistake in the compass
markings!
John
Moir
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