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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/12/20" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished paper, 'An account of a telescope having only one reflector, and of easy management in observing' by Abram [Abraham] Robertson</dc:title>
  <dc:description>Robertson describes the construction of a telescope with a single reflector and the mathematical and physical principles behind this design. He then provides instructions for how to use such a telescope effectively to make astronomical observations. Includes two pages of figures.

Subject: Scientific Instruments / Astronomy

Communicated to the Royal Society on 4 May 1826.</dc:description>
  <dc:date>[1826]</dc:date>
</rdf:Description>