<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/PEARSON/11/1/2/12" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Barnes, Alfred S</dc:title>
  <dc:description>Letter to Pearson requesting help in calculating the frequency curve for blade scrapers. Enclosed are a frequency curve graph, and data regarding 756 lengths of blade.</dc:description>
  <dc:date>18 Oct 1932</dc:date>
</rdf:Description>