Catalogue description Name: Johann Hecker, Place: Danzig Addressee: fr. Oldenburg Subject: Conjunction of mercury and the sun.

This record is held by Royal Society

Details of RS/PP3/LBC.5.397
Reference: RS/PP3/LBC.5.397
Title: Name: Johann Hecker, Place: Danzig Addressee: fr. Oldenburg Subject: Conjunction of mercury and the sun.
Date: 18/11/1672
Held by: Royal Society, not available at The National Archives
Language: English

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