<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/O1/80" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter, from Henry Oldenburg to Samuel Sturmy</dc:title>
  <dc:description>States that he has received his account about tides - discusses his observations of diurnal tides; wishes for clarification about the degrees and velocity of the rising and falling waters</dc:description>
  <dc:date>20 October 1668</dc:date>
</rdf:Description>