<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MC/39/110" 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 [Frank] Twyman, Stanhope, Eastbury Avenue, Northwood, Middlesex, to the Secretary of the Royal Society, Burlington House</dc:title>
  <dc:description>Regarding the optical convention. Enclosed is a letter to F Twyman, dated 8 October, and a reply from the Assistant Sercetary to F Twyman, dated 30 October 1925.</dc:description>
  <dc:date>21 October 1925</dc:date>
</rdf:Description>