Copies of letters sent to the Royal Society - Volume VII Copies of letters sent to the Royal Society Index to authors and titles at beginning Please note 'RefNo' refers to the number of the document, and the 'AltRefNo' refers to the page number in the volume where the letter can be found. Letters are in English unless otherwise stated From page 195, it is stated 'Here follow some Letters, that belong to the year 1675, but were by a mistake not inserted above, in their due places, according to the respective times they were written. ' 3 January 1674 - 15 September 1675