﻿<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/24/331" 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 Sir John Herschel to Sir William Huggins, dated at Collingwood</dc:title>
  <dc:description>Copy of a letter. John Frederick William Herschel is preparing a digest of all double star observations; also comments on sunspot activity.</dc:description>
  <dc:date>30 September 1870</dc:date>
</rdf:Description>