<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/12/20/3" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished diagrams, angles of reflection and single-reflector telescope by Abraham Robertson</dc:title>
  <dc:description>Figures 6-8 showing angles of reflection and the single-reflector telescope discussed in Robertson's paper.

Subject: Scientific Instruments / Astronomy

Communicated to the Royal Society on 4 May 1826.</dc:description>
  <dc:date>[1826]</dc:date>
</rdf:Description>