'An account of two mock-Suns and an Arc of a Rainbow inverted with an Halo and its bright Arc seen on Sunday and munday October 22 and 23 1721 at Lyndon Comitat Rutland Communicated by William Whiston'

'An account of two mock-Suns and an Arc of a Rainbow inverted with an Halo and its bright Arc seen on Sunday and munday October 22 and 23 1721 at Lyndon Comitat Rutland Communicated by William Whiston', 1721, RBO/11/35, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/rbo_11_35/an-account-of-two-mock-suns-and-an-arc-of-a-rainbow-inverted-with-an-halo-and-its-bright-arc-seen-on-sunday-and-munday-october-22-and-23-1721-at-lyndon-comitat-rutland-communicated-by-william-whiston, accessed on 21 March 2025

https://makingscience.royalsociety.org/items/rbo_11_35/an-account-of-two-mock-suns-and-an-arc-of-a-rainbow-inverted-with-an-halo-and-its-bright-arc-seen-on-sunday-and-munday-october-22-and-23-1721-at-lyndon-comitat-rutland-communicated-by-william-whiston

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