Paper, 'An account of a method of dividing astronomical and other instruments, by ocular inspection, in which the usual tools for graduating are not employed, the whole operation being so contrived that, no error can occur but what is chargeable to vision when assisted by the best optical means of viewing and measuring minute quantities' by Edw [Edward] Troughton
Reference number: PT/3/4
Date: 1809
Description
59 manuscript pages and two plates showing instruments used in conjunction with a telescope.
Subject: Scientific instruments
Published in Philosophical Transactions as 'An account of a method of dividing astronomical and other instruments, by ocular inspection; in which the usual tools for graduating are not employed; the whole operation being being so contrived, that no error can occur but what is chargeable to vision, when assisted by the best optical means of viewing and measuring minute quantities'.
Communicated by the Astronomer Royal [Nevil Maskelyne]. Read 2 February 1809.
Abstract published in Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society of London], Volume 1, 1832.
- Reference number
- PT/3/4
- Earliest possible date
- 1809
- Physical description
- Ink on paper
- Page extent
- 61 pages
- Format
- Manuscript
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Edward Troughton, Paper, 'An account of a method of dividing astronomical and other instruments, by ocular inspection, in which the usual tools for graduating are not employed, the whole operation being so contrived that, no error can occur but what is chargeable to vision when assisted by the best optical means of viewing and measuring minute quantities' by Edw [Edward] Troughton, 1809, PT/3/4, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/pt_3_4/paper-an-account-of-a-method-of-dividing-astronomical-and-other-instruments-by-ocular-inspection-in-which-the-usual-tools-for-graduating-are-not-employed-the-whole-operation-being-so-contrived-that-no-error-can-occur-but-what-is-chargeable-to-vision-when-assisted-by-the-best-optical-means-of-viewing-and-measuring-minute-quantities-by-edw-edward-troughton, accessed on 12 July 2025
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Related Publications
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An account of a method of dividing astronomical and other instruments, by ocular inspection; in which the usual tools for graduating are not employed; the whole operation being so contrived, that no error can occur but what is chargeable to vision, when assisted by the best optical means of viewing and measuring minute quantities External link, opens in new tab.
Date: 31st December 1832
DOI: 10.1098/rspl.1800.0176
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IV. An account of a method of dividing astronomical and other instruments, by ocular inspection; in which the usual tools for graduating are not employed; the whole operation being being so contrived, that no error can occur but what is chargeable to vision, when assisted by the best optical means of viewing and measuring minute quantities External link, opens in new tab.
Date: 31st December 1809
DOI: 10.1098/rstl.1809.0006
Hierarchy
This item is part of:
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Manuscripts of papers published in Philosophical Transactions, 1809
November 1808 - June 1809 Reference number: PT/3
Related Fellows
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Edward Troughton
Author -
Nevil Maskelyne
Communicator
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Philosophical Transactions
The 'Philosophical Transactions' collection comprises manuscript versions of papers published in The Philosophical Transactions of the Royal Society, the world’s first and longest continuously running journal dedicated to science.
Dates: 1802 - 1865
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