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The Royal Society: Science in the Making

Unpublished paper, 'Formulization of horary observations presumed a priori to be nearly of a periodic nature' by Solomon Moses Drach

Reference number: AP/33/11

Date: 15 March 1852

Description

Drach sets out a formula through which he hopes to deduce the law of change connected with the Sun's motion in longitude and declination.

Subject: Mathematics / Astronomy

Written by Drach at 23 Walpole Street, King's Road, Chelsea [London].

Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 6 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'Formulization of horary observations presumed a priori to be nearly of a periodic nature'.

Reference number
AP/33/11
Earliest possible date
15 March 1852
Physical description
Ink on paper
Page extent
31 pages
Format
Manuscript

Creator name

Solomon Moses Drach

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Citation

Solomon Moses Drach, Unpublished paper, 'Formulization of horary observations presumed a priori to be nearly of a periodic nature' by Solomon Moses Drach, 15 March 1852, AP/33/11, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_33_11/unpublished-paper-formulization-of-horary-observations-presumed-a-priori-to-be-nearly-of-a-periodic-nature-by-solomon-moses-drach, accessed on 20 January 2026

Link to this record

https://makingscience.royalsociety.org/items/ap_33_11/unpublished-paper-formulization-of-horary-observations-presumed-a-priori-to-be-nearly-of-a-periodic-nature-by-solomon-moses-drach

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  • Archived Papers

    The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.

    Dates: 1768 - 1989

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