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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MOB/020" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Glass lens by John Flamsteed</dc:title>
  <dc:description>An object glass of 90 feet focal length which belonged to John Flamsteed. The surface is plain with some chips around the glass edge. A label at the top of the glass is inscribed: '"Object glass (Venetian) of 90 feet focal legth which belonged to Flamstead: presented to the RS by James Hodgson FRS in 1737" RS. N. 25'</dc:description>
  <dc:date>early 17th century</dc:date>
</rdf:Description>