<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/13/422" 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 Giovanni Antonio Plana to Sir John Herschel, dated at Turin</dc:title>
  <dc:description>Autograph letter signed by sender, with annotations by recipient. Has received a package of books from John Frederick William Herschel, some of which will be sent on as instructed. Is interested in the work of John Frederick William Herschel and James South on double stars. Also comments on parallax measure of the sun and on transits of Venus. Wants to respond to P. S. Laplace's theory of Jupiter and Saturn.</dc:description>
  <dc:date>9 July 1826</dc:date>
</rdf:Description>