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> From: graham stapleton
> To: "sundial@uni-koeln.de"
> Cc:
> Bcc:
> Date: Sat, 24 Sep 2022 17:22:31 + (UTC)
> Subject: Perpetual Calendar of Giovanni Antonio Amedeo Plana
> While calendars are a current topic, please can anyone di
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While calendars are a current topic, please can anyon