﻿<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MS/257/4/150" 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 Edward Sabine to [Frederick John] Evans</dc:title>
  <dc:description>Sabine refers to his intentions to take the declination magnet. Discusses maps regarding the declination and refers to the Gaussian constant.Sabine intends to compare the dip and force elements.</dc:description>
  <dc:date>19th century</dc:date>
</rdf:Description>