<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/12/8/1" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished letter, regarding improvements to the bottoms of ships from Archd [Archibald] Duff to the Secretary of the Royal Society</dc:title>
  <dc:description>In this covering letter, Duff asks that the Secretary lay the accompanying paper before the Royal Society.

Subject: Engineering

Written by Duff in Elgin [Moray, Scotland].</dc:description>
  <dc:date>28 February 1826</dc:date>
</rdf:Description>