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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/377/1/35" 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 Edwin Edser, 3 Hilly Fields Crescent, Brockley, to [William Fletcher] Barrett</dc:title>
  <dc:description>He has read the proof of part 2 of Barrett's paper and provides an illustrated explanation of the pinhole experiment. He would like to try Barrett's apparatus and has been thinking of designing an instrument for measuring the radii of curvature and refractive indices of various parts of the eye.</dc:description>
  <dc:date>9 April 1906</dc:date>
</rdf:Description>