Reference numberRBO/15/75
Alternative reference numberRBO.15.345
TitleConcerning a phenomenon in the sky which Dr Scheuchzer called 'Iris sive Crepusculum Aurorae borealis'
DescriptionOriginal letter to Hans Sloane dated 30 June 1730 at Zurich
Translated by Philip Zollman
Read to the Royal Society on 1 April 1731
Extent5 sides
Access statusOpen
Related records in the catalogueEL/S2/82
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