<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HS/23/176" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy letter, from Sir John Herschel to John Tyndall, dated at Collingwood</dc:title>
  <dc:description>Copy of a letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Thanks for papers on diamagnetism and lecture on 'slaty cleavage.' Compares with phenomenon of 'ringing coins' in mint. Explains with examples conformity of John Tyndall's views with John Frederick William Herschel's own on geological stratification. Praises simplicity yet completeness of John Tyndall's work.</dc:description>
  <dc:date>27 July 1856</dc:date>
</rdf:Description>