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Hadley writes on a telescope which can be used to view moving objects and take observations of angles of moving objects, which in a normal telescope would make observations uncertain or impossible. Engraved figures from Philosophical Transactions are attached.

Subject: Optics / Scientific Instruments

Published in Philosophical Transactions as 'The description of a new instrument for taking angles'.

Read to the Royal Society on 13 May 1731.

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Ink on paper
Page extent
10 pages

Creator name

John Hadley

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John Hadley, Paper, 'The description of a new instrument for taking angles' by John Hadley, 1731, CLP/2/21, The Royal Society Archives, London,, accessed on 21 July 2024

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  • Classified Papers

    Dates: 1592-1741

    The 'Classified Papers' of the Royal Society are papers from British and international natural philosophers and scholars categorised according to subject areas.

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