<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/ACS/1/2/3/329" 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 [Alan Archibald Campbell] Swinton, to [Harry Ralph] Ricardo [Esquire]</dc:title>
  <dc:description>Informs he happened to meet Sir Robert Hadfield at the Royal Society yesterday, who enquired regarding the validity of Ricardo's cylinder-head patent. He is interested in a Director of the people who make the Bean car, who are licenses of Ricardo. Hadfield complained that according to his information many other people with no licence are using similar cylinder heads, even calling them Ricardo Heads. Maintains the matter should receive attention.</dc:description>
  <dc:date>11 May 1928</dc:date>
</rdf:Description>