<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/3/337" 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 M Rikatcheff, Central Phys. Observatory, St Petersburg to Edward Sabine</dc:title>
  <dc:description>Rikatcheff informs he has taken charge as the superintendent of the magnetical and meteorological observations at the Central Physical Observatory. Asks Sabine to supply the observatory with an instrument for the ‘absolute determination of horizontal magnetic force of Kew system’.</dc:description>
  <dc:date>4/16 February 1868</dc:date>
</rdf:Description>