<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/3/13" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter from Henry Oldenburg, London, to Christian Huygens</dc:title>
  <dc:description>Oldenburg's answer to Huygens

Contains cypher at end;
a  b  c  d  e  f  g  h  i    l    m  n  o  p  r  s  t  u  x  y
7  4  4  4  12 1  3  6 10 7   1   7  9  2  6  2  7  4  1  11 </dc:description>
  <dc:date>6 February 1668/1669</dc:date>
</rdf:Description>